The Greek official history of the Greco-Italian War divides it into three periods: • The Italian offensive and its failure from 28 October to 13 November 1940 • The Greek counter-offensive, from 14 November to 6 January 1941, the initial Greek counter-offensive in 14–23 November, with the restoration of the pre-war border in Epirus and the capture of Korçë, followed by the Greek advance into Albania until 6 January 1941 • The gradual stabilization of the front from 6 January 1941 until the onset of the German attack on 6 April; the final Greek advances, until 8 March, followed by the Italian spring offensive and the stalemate until April. The Greek commander-in-chief,
Alexandros Papagos, in his memoirs regarded the second phase as ending on 28 December 1940; as the historian Ioannis Koliopoulos comments, this seems more appropriate, as December marked a watershed in the course of the war, with the Greek counter-offensive gradually grinding to a halt, the German threat becoming clear, and the beginning of British attempts to guide and shape Greek strategy. According to Koliopoulos, the final three months of the war were militarily of little significance as they did not alter the situation of the two combatants, but were mostly dominated by the diplomatic and political developments leading up to the German invasion.
Italian offensive (28 October – 13 November 1940) Italian forces invaded Greece in several columns. On the extreme Italian right, the coastal group moved south in the direction of
Konispol with the final aim of capturing
Igoumenitsa and thence driving onto Preveza. In the central sector, the
Siena Division moved in two columns onto the area of
Filiates, while the
Ferrara Division moved in four columns against the main Greek resistance line at Kalpaki with the aim of capturing Ioannina. On the Pindus sector, the
Julia Division launched five columns aiming to capture Metsovo and cut off the Greek forces in the Epirus sector from the east. With the onset of the Italian offensive, Papagos, until then the Chief of the
Hellenic Army General Staff, was appointed commander-in-chief of the newly established General Headquarters. The Army General Staff, which functioned as the main field staff throughout the war, was handed over to Lieutenant-General
Konstantinos Pallis, recalled from retirement. With Bulgarian neutrality assured—following the terms of the
Balkan Pact of 1935, the Turks threatened to intervene on Greece's side if the Bulgarians attacked Greece—the Greek high command was free to throw the bulk of its army against Italian forces in Albania. Almost half the forces assigned to the Bulgarian front (13th and 17th Divisions, 16th Infantry Brigade) and the entirety of the general reserve (
I Army Corps with 2nd, 3rd, and 4th Infantry Divisions, as well as the Cretan
5th Infantry Division and the
Cavalry Division) were directed to the Albanian front.
Epirus and coastal sectors On the Epirus sector, Katsimitros had left five battalions along the border to delay the Italian advance, and installed his main resistance line in a convex front with the Kalpaki pass in the centre, manned by nine battalions. Further two battalions under Major-General
Nikolaos Lioumbas took over the coastal sector in
Thesprotia. The swamps of the Kalamas river, especially before Kalpaki, formed a major obstacle not only to armoured formations, but even to the movement of infantry. A further battalion and some artillery were detached to the Preveza area in the event of an Italian landing, but as this did not materialize, they were swiftly moved to reinforce the coastal sector. By the night of 29/30 October, the Greek covering units had withdrawn to the Kalpaki line, and by 1 November, Italian units made contact with the Greek line. During these three days, the Italians prepared their assault, bombarding the Greek positions with aircraft and artillery. In the meantime, the developing Italian threat in the Pindus sector forced Papagos to cable Katsimitros that his main mission was to cover the Pindus passes and the flanks of the Greek forces in western Macedonia, and to avoid offering resistance if it left his forces depleted. Katsimitros had already decided to defend his line, however, and disregarded these instructions, but detached some forces to cover its right along the
Aoös River. On 1 November, the Italians managed to capture
Konitsa and the
Comando Supremo gave the Albanian front priority over Africa. The scheduled Italian amphibious assault on Corfu did not materialize due to bad weather. The Italian navy commander, Admiral
Domenico Cavagnari, postponed the landing to 2 November, but by that time Visconti Prasca was urgently demanding reinforcements, and Mussolini ordered that the
47th Infantry Division "Bari", earmarked for the operation, be sent to Albania instead. Mussolini proposed a landing at Preveza on 3 November to break the emerging impasse, but the proposal met with immediate and categorical refusal by the service chiefs. The main Italian attack on the Kalpaki front began on 2 November. An Albanian battalion, under the cover of a snowstorm, managed to capture the Grabala heights, but were thrown back by a counterattack on the next day. On the same day, an attack spearheaded by 50–60 tanks against the main Kalpaki sector was also repulsed. The Greek units east of the Kalamas were withdrawn during the night. On 5–7 November, repeated assaults were launched against the Grabala and other heights; on the night of the 7th, Grabala briefly fell once more, but was swiftly recaptured. On 8 November, the Italians began withdrawing and assuming defensive positions until the arrival of reinforcements. On the coastal sector, the Italians made better progress. The Greek covering units were forced south of the Kalamas already on the first day, but the bad state of the roads delayed the Italian advance. On the night of 4/5 November, the Italians crossed the river and broke through the defences of the local Greek battalion, forcing Lioumbas to order his forces to withdraw south of the
Acheron River. Igoumenitsa was captured on 6 November, and on the next day, the Italians reached
Margariti. This marked their deepest advance, as the Thesprotia Sector began receiving reinforcements from Katsimitros, and as on the other sectors the situation had already turned to the Greeks' favour. As evidence of the Italian offensive's failure mounted, on 8 November, Visconti Prasca was relieved of overall command in Albania and relegated to command the Italian forces in the Epirus front, while General
Ubaldo Soddu, State Undersecretary of War, assumed his place. Soddu's report from Albania underlined Greek resistance in Epirus and the mounting threat of the Greek concentration in western Macedonia, and recommended taking up defensive positions "while awaiting the reinforcements that would permit us to resume action as soon as possible". Mussolini consented. With the Italians on the defensive, 8th Division began launching local counterattacks to regain the lost ground. By 13 November, the Greek forces once again stood at the Kalamas river along its entire length. On 12 November, I Army Corps under Lieutenant-General
Panagiotis Demestichas took over the Epirus sector. 8th Division was subordinated to it, while the coastal sector was placed under the independent Lioumbas Detachment.
Pindus sector A greater threat to the Greek positions was posed by the advance of the 3rd Alpine Division "Julia", under
Mario Girotti, over the Pindus Mountains towards Metsovo, which threatened to separate the Greek forces in Epirus from those in Macedonia. The opposing Greek force, the Pindus Detachment, numbered 2,000 men, was formed of reservists of the 51st Regiment, mobilized on 29 August, while one of its three battalions (III/51) was formed as late as 15 October and was still on its way to the front. Colonel Davakis and his men had to cover a front some 37 km in width, and moreover over extremely broken terrain. The Italian attack began under torrential rainfall and made rapid progress, forcing the Greeks to abandon their forward posts, especially in the Detachment's central sector. Davakis was forced to deploy the companies of the III/51 Battalion piecemeal as soon as they arrived, leaving himself with no reserves. The situation worried the TSDM, which began sending whatever reinforcements it could muster, and assigned the Pindus sector to the
1st Infantry Division. Despite the onset of snowfall on the 29th, the
Julia Division continued pressing its attack on the Greek centre and left during 29–30 October, forcing the Greeks to withdraw towards
Samarina. From 30 October, however, the Greeks managed to stabilize the situation. Command in the Pindus sector passed to 1st Division and Major-General
Vasileios Vrachnos, while additional forces—the Cavalry Division, 5th Brigade, and he newly formed Cavalry Brigade—were deployed on the flanks of the Italian salient and in the rear to secure the vital passes. After covering of mountain terrain in icy rain, the
Julia Division captured the village of
Vovousa, on 2 November, but failed to reach its primary objective; Metsovo, south. That same day, Davakis was gravely wounded during a reconnaissance mission near
Fourka. However, it had become clear to the Italians that they lacked the manpower and the supplies to continue in the face of the arriving Greek reserves. On 3 November, the Italian spearhead was surrounded from all sides. The commander of the
Julia Division requested from the Italian headquarters relief attacks and Italian reserves were thrown into the battle. Thus, Visconti Prasca sent forward the
Bari Division to its aid, but it was unable to reach the cut-off Italian forces. In the meantime, the assistance of the local civilians, including men, women, and children, to the Greek forces proved invaluable. As a result of the Greek pressure the
Julia Division was virtually wiped out, while the villages previously taken by the Italians were recaptured on 3 and 4 November. Within less than a week, the remaining Italian troops in this sector were in roughly the same positions they occupied before the declaration of the war. By 13 November the Greek forces had completed the re-occupation of the
Grammos and
Smolikas mountain ranges. On the same day, Visconti Prasca was relieved and recalled to Italy.
Greek counter-offensive (14 November 1940 – 6 January 1941) By 14 November, the Italian forces in Albania had been reorganized in two
field armies: the
Ninth Army, formed out of the XXVI Corps in the Korçë sector, comprising five infantry and two alpine divisions with elite
Alpini troops as well as a number of independent regiments, including Blackshirt and Albanian battalions; and the
Eleventh Army (former XXV Corps) on the Epirus sector, with three infantry, an armoured, and a cavalry division, as well as a number of independent units. The Italian situation was very difficult, as the troops on the front had been fighting non-stop for three weeks and were exhausted. The supply situation was abysmal, with the army lacking lorries, horses, and mules; the limited capacity of Albania's two main ports,
Valona and
Durrës, created a bottleneck for supplies and reinforcements, while the airlift initiated between Italy and
Tirana—which consumed all of the Italian Air Force's transport capacity to the detriment of Africa—could transport troops, but not heavy equipment. The Greek order of battle on 14 November consisted of Lieutenant-General Demestichas' I Corps on the coastal sector (2nd, 8th, and the Cavalry Divisions, and the Lioumbas Detachment), Lieutenant-General Papadopoulos' II Corps in the Pindus sector (1st Infantry Division, 5th Brigade and the Cavalry Brigade), and Lieutenant-General Tsolakoglou's III Corps in western Macedonia (9th, 10th, 15th Infantry Divisions, with 11th Division assembling in its rear). The latter two corps were under the command of TSDM, led by Lieutenant-General Pitsikas. The
3rd,
4th, and
5th Infantry Divisions, as well as the 16th Brigade, were kept in reserve. By 12 November, Papagos had over battalions on familiar terrain against fewer than fifty Italian battalions.
Fall of Korçë (14–23 November) From the first days of November, III Corps had undertaken limited advances into Albanian territory, and already on 6 November, it submitted plans for a general offensive. Judging it too ambitious for the moment, Papagos postponed the offensive for 14 November. III Corps' main objective was the capture of the Korçë plateau, which controlled access to the interior of Albania along the valley of the
Devoll river. The plateau lay behind the Morava and Ivan mountains on the Greco-Albanian frontier, which were held by the 29th
Piemonte, the 19th
Venezia, and the 49th
Parma divisions. The Italians were later reinforced by the
2nd Alpine Division "Tridentina", the
53rd Infantry Division "Arezzo", and 30–50 tanks of the
Centauro Division. Leaving five battalions to secure its rear, III Corps attacked with twenty battalions and 37 artillery batteries. Due to the lack of tanks or anti-tank weapons to counter Italian armour, the Greeks decided to limit their movement along the mountain ridges, never descending to the valleys. The offensive was launched on the morning of 14 November, with the corps' three divisions moving on converging lines of attack towards Korçë. To achieve surprise, the attack was not preceded by an artillery barrage. The Italian forces were indeed taken by surprise, allowing the Greeks to force several breaches in the Italian positions on 14–16 November. On 17 November, III Corps was reinforced with 13th Division, and on the next day, with 11th Division, which along with the 10th Division formed a new command, the "K" Group of Divisions or OMK (Lieutenant-General
Georgios Kosmas). The most critical moment for the Greeks came on 18 November, when elements of the 13th Division panicked during an ill-coordinated attack and the division almost retreated; its commander was sacked on the spot and the new commander, Major-General
Sotirios Moutousis, forbade any further retreat, restoring the front. On 19–21 November, the Greeks captured the summit of Morava. Fearing that they would be surrounded and cut off, the Italians retreated towards the Devoll valley during the night, and on 22 November the city of Korçë was captured by 9th Division. By 27 November, TSDM had captured the entire Korçë plateau, suffering 624 dead and 2,348 wounded. Further south and west, I and II Corps had moved to evict the Italians from Greek territory, which they achieved by 23 November. II Corps further moved across the border line, capturing
Ersekë on 21 November and
Leskovik on the next day. On 23 November, bowing to pressure from Badoglio and Roatta, Mussolini finally reversed his early October order for demobilization.
Greek offensive towards Valona (23 November – December 1940) Following the capture of Korçë and the eviction of the Italian forces from Greek soil, the Greek GHQ faced two options: continue the offensive in the Korçë sector in the direction of Elbasan or shift focus on the left flank and drive towards the port of Valona. The latter was chosen, as the capture of Valona would be of great strategic significance, leaving the Italians with only Durrës as an entry port. TSDM, comprising III Corps and OMK, would defend their positions on the Greek right and apply pressure, while I Corps would move north along the
Gjirokastër–
Tepelenë–Valona axis. II Corps would form the pivot of the movement, securing the connection between I Corps and TSDM, advancing in step with its western neighbour in the direction of
Berat. I Corps was reinforced with 3rd Division (21 November) and II Corps with 11th Division (27 November) and the Cavalry Division (28 November). Between 24 and 30 November, I Corps moved north into Albania along the
Drinos river, while II Corps moved in the direction of
Frashër, which it captured in early December. TSDM continued to apply pressure against the Italians and the 10th Division captured
Moscopole on 24 November.
Pogradec was captured unopposed by the 13th Division on 30 November. The continued Greek advance caused another crisis in the Italian hierarchy. The news of the fall of Pogradec and the pessimistic reports of the Italian commanders in Albania reportedly caused Mussolini to consider asking for a truce through the Germans but in the end he recovered his nerve and ordered Soddu to hold fast. The Greeks would be worn out, since they had "... no war industry and can only count on supplies from Great Britain". Mussolini, encouraged by the hardline Fascist Party secretary
Roberto Farinacci, sacked Badoglio on 4 December and replaced him with
Ugo Cavallero as Chief of the General Staff. The resignation of the governor of the Italian Dodecanese,
Cesare Maria De Vecchi and Admiral Cavagnari, followed within a few days. I Corps captured
Delvinë on 5 December and Gjirokastër on 8 December; the Lioumbas Detachment captured
Sarandë— renamed Porto Edda after
Edda Mussolini—on 6 December. Further east, the 2nd Division captured the Suhë Pass after a fierce struggle from 1–4 December, while 8th Division launched repeated attacks on the heights around the
Kakavia Pass, forcing the Italians to withdraw on the night of 4/5 December. The division had suffered considerable losses but took over 1,500 prisoners, several artillery pieces and thirty tanks. In the TSDM sector, Lieutenant-General Kosmas (in command of the
K Group, essentially the 10th Division) captured the Ostravicë Mountain on 12 December, while III Corps—since 1 December reinforced with 17th Division, which replaced 13th Division—completed its occupation of the Kamia massif and secured Pogradec. On 2 December, Papagos, and Crown Prince
Paul, visited the front. Pitsikas and Tsolakoglou urged him to order an immediate attack on the strategic
Klisura Pass, without waiting for I and II Corps to level with TSDM. Papagos refused and ordered the plan to continue, with III Corps relegated to a passive role (this decision was later criticized, coupled with the onset of winter, it immobilised the Greek right wing). Despite the atrocious weather and the heavy snowfall, the Greek offensive continued on the left throughout December. I Corps, now comprising 2nd, 3rd and 4th Divisions (8th Division and the Lioumbas Detachment were moved back into reserve) captured
Himarë on 22 December. II Corps, moving between the Aöos and the
Apsos rivers, reached the vicinity of Klisura, but failed to capture the pass. To its right, the
V Army Corps (the former
K Group but still comprising only the 10th Division) managed to advance up to
Mount Tomorr and secure the connection between II and III Corps, which remained in their positions.
End of the Greek offensive and stalemate (6 January – 6 April 1941) , Dictator
Ioannis Metaxas, King
George II of Greece, Air Vice Marshal
John D'Albiac (RAF) and General
Alexandros Papagos. On 28 December 1940, the Greek GHQ took the decision to halt large-scale offensive operations in view of the stiffening Italian resistance, the worsening supply situation and the bad weather, which
inter alia led to a large number of
frostbite casualties. This decision took effect on 6 January, whereby only local offensive operations would take place to improve Greek lines until the weather improved. The Italians had eleven infantry divisions, (
11th Infantry Division "Brennero",
19th Infantry Division "Venezia",
23rd Infantry Division "Ferrara",
29th Infantry Division "Piemonte",
33rd Infantry Division "Acqui",
37th Infantry Division "Modena",
48th Infantry Division "Taro",
49th Infantry Division "Parma",
51st Infantry Division "Siena",
53rd Infantry Division "Arezzo", and
56th Infantry Division "Casale") and four Alpine divisions (
2nd Alpine Division "Tridentina",
3rd Alpine Division "Julia",
4th Alpine Division "Cuneense", and
5th Alpine Division "Pusteria") and the
131st Armored Division "Centauro", with the
6th Infantry Division "Cuneo" and the
7th Infantry Division "Lupi di Toscana" moving to the front. There were also two independent
Bersaglieri regiments, a grenadier regiment, two cavalry regiments, Blackshirt and Albanian battalions and other units. According to official Italian documents, on 1 January 1941, Italy had 10,616 officers, 261,850 men, 7,563 vehicles, and 32,871 animals in Albania. This strengthening of the Italian position prompted Cavallero, who after Soddu's recall on 29 December combined his post as Chief of the General Staff with the overall command in Albania, to pronounce that the "period of crisis [was] almost overcome" and to begin planning for an attack aiming to recapture Korçë in early February.
Struggle for Klisura Pass and Tepelenë The main operation envisaged by the Greek GHQ was the capture of the Klisura Pass by II Corps, coupled with minor offensives by I Corps and TSDM to improve their positions. II Corps attacked on 8 January, with 1st Division on the left and 15th Division, followed by the 11th Division, on the right flank. The 15th Division faced the
Julia Division, and after a hard struggle managed to capture its positions in a costly success. The 11th Division followed up on 9 January next day captured the pass. The offensive forced Cavallero to deploy the reserves he had husbanded for the Korçë offensive, which never took place. The newly arrived
Lupi di Toscana division was routed. The division went into action on 9 January to support the
Julia Division, after a 24-hour forced march in horrendous weather, without having time to reconnoitre the front, without maps and without coordinating fire support with the
Julia Division. The commander and the chief of staff failed to coordinate its two regiments, which became entangled on the same mule track. Despite attacking downhill and facing a numerically inferior enemy, the division lost a battalion to encirclement and were driven back to their starting positions after two days. By 16 January, the division had disintegrated and "ceased to exist as an organized force", with only 160 officers and men immediately available and over 4,000 casualties. On 26 January, the Italians counter-attacked to recover the pass but II Corps, reinforced with 5th Division, managed to repel them and then counter-attacked. In the
Battle of Trebeshina, a series of engagements from 2–12 February, the
Trebeshinë massif was captured. The capture of the strategic Klisura pass by the Greek army was considered a major success by the
Allied forces, with the Commander of the
British forces in the Middle East,
Archibald Wavell, sending a congratulatory message to Alexander Papagos. As the threat of a German invasion from Bulgaria increased, the need to transfer Greek divisions to the Bulgarian frontier forced Papagos to launch a final effort to capture Valona as quickly as possible. The RAF agreed to challenge the air superiority of the
Regia Aeronautica, which had recovered with the loss of much of the RHAF in ground-attack operations, rather than continue ineffective attempts at interdiction. With reinforcements from Egypt and the drying of a landing-ground at
Paramythia, the RAF managed support sorties by the end of February. Launched in mid-February, the attack saw I Corps gain ground towards Tepelenë; Italian resistance and a deterioration in the weather forced a suspension of operations before Tepelenë, let alone Valona or Berat, were reached. The Italian defensive success was costly, and signs of an imminent Italian offensive in the central sector of the front forced a return to the defensive. By early February 1941, the Greek Army was down to less than two months of artillery ammunition overall and had shortages in every area of material, while the Italians possessed ample reserves, endangering their position. The Greeks appealed to the United States for material aid, but the British ensured that they themselves got first priority for US production. Furthermore, there were shortages of materials and even food across the country. Continuing degradation of their logistical capability would soon mean the end of effective Greek resistance. British material and air support had been provided, but at this point it was "relatively small." Further British aid in March and April would only partially alleviate this problem. On 14 February, in view of GHQ's increasing concern with developments on the Bulgarian frontier, a new higher command, the
Epirus Army Section (TSI), under Lieutenant-General
Markos Drakos, was formed, comprising I and II Corps. Despite Greek success in Albania, dissension within the Greek leadership emerged over strategy towards the expected German attack and the need for a withdrawal in Albania. The front commanders in Albania represented their views to GHQ in Athens and in early March, Papagos moved to replace virtually the entire leadership in the Albanian front: Drakos, Kosmas and Papadopoulos, the commanders of TSI, I and II Corps respectively, were replaced by the TSDM commander Lieutenant-General Pitsikas, Lieutenant-General Demestichas and Major-General
Georgios Bakos, TSDM being taken over by Tsolakoglou.
Italian spring offensive On 4 March, the British sent the first convoy of
Operation Lustre with
W Force (Lieutenant-General Sir
Henry Maitland Wilson) and supplies for Greece. The Italian leadership desired to achieve a success against the Greek army before the impending German intervention and reinforced the Albanian front to 28 divisions with an average of 26 serviceable bombers, 150 fighters, along with 134 bombers and 54 fighters of the 4°
Squadra in Italy. Cavallero planned an attack on of the centre of the front, to recapture Klisura and advance towards Leskovik and Ioannina. The attack would be carried out by the
VIII Army Corps (
24th Infantry Division "Pinerolo",
38th Infantry Division "Puglie", and
59th Infantry Division "Cagliari"), with XXV Corps (
2nd Infantry Division "Sforzesca", 47th Infantry Division "Bari", 51st Infantry Division "Siena", and 7th Infantry Division "Lupi di Toscana") as a second echelon, and the
Centauro and
Piemonte divisions as general reserves. The Greek units opposite them were II Corps (17th, 5th, 1st, 15th, and 11th Divisions), with three regiments as TSI's general reserve, and 4th Division providing reinforcement. II Corps continued limited offensive action as late as 8 March to improve its positions. The Italian attack, watched by Mussolini, began on 9 March, with a heavy artillery barrage and air bombardment; on the main sector, held by the Greek 1st Division, over 100,000 shells were dropped on a front. Despite repeated assaults and heavy shelling, the positions of 1st Division held during 9–10 March. A flanking manoeuvre on 11 March ended in Italian defeat. The exhausted
Puglie Division was withdrawn and replaced with the
Bari Division during the subsequent night, but all attacks until 15 March failed. The Italian offensive halted on 16–18 March, allowing the Greeks to bring reserves forward and begin a gradual reshuffle their line, relieving the 1st Division with the 17th. The Italian offensive resumed on 19 March with another attack on
Height 731 (the 18th thus far). Attacks, preceded by heavy artillery bombardments, followed daily until 24 March, the last day of the Italian offensive, without achieving any result. Mussolini admitted that the result of the Italian offensive was
zero. Italian casualties amounted to over 11,800 dead and wounded, while the Greeks suffered 1,243 dead, 4,016 wounded and 42 missing in action.
Greek and Italian logistical situation in early 1941 Although it failed, the Italian spring offensive revealed a "chronic shortage of arms and equipment" in the Greek Army. Even with British support, the Greeks were fast approaching the end of their logistical tether. British intelligence estimated that Greece's reserves, although numbering 200,000–300,000 partly-trained men on paper, could not be mobilized for lack of arms and equipment, which were being consumed by the Albanian front. By the end of March 1941, the Greek Army possessed one month's supply in various types of artillery ammunition. The British had already supplied, among other goods, 40 million 7.92 rounds and 150 mortars (50 51mm and 100 76mm) the previous month, but had not yet fulfilled the Greeks' mid-January request of 300,000 uniforms and sets of shoes. The Italians still had reserves of men and materiel, the Greek defences of Macedonia and Thrace, which would face the German attack, were left undermanned and underequipped due to the demands of the Albanian front. The
Eastern Macedonia Army Section (TSAM), which manned the Metaxas Line, was left with only 70,000 men to defend against any potential German advance, though plans called for the fortifications to be held by 200,000 men. British planners disagreed with the Greek plan to hold on to the Metaxas Line, as well as the insistence of not ceding a single bit of ground to the Italians, noting that the Greek forces were insufficient to prevent or resist a German breakthrough. The
Central Macedonia Army Section (TSKM), which manned the Yugoslav border, was even weaker: its three divisions were recently raised from reserves and possessed no anti-air weaponry, anti-tank weaponry, armored vehicles, or almost any motor vehicles. They had few automatic weapons and faced even shortages of basic supplies such as tents and helmets. 14 out of the 20 available divisions of the Greek army were facing the Italians on the Albanian front as part of the
Epirus Army Section, totaling 33 regiments. In an effort to keep Greece in the fight, British aid drastically stepped up in March and April, which included uniforms, weapons, and ammunition of various types. However, the Greeks still did not consider this sufficient for successfully prosecuting the rest of the war. Though the Greek forces faced logistical difficulties their supply lines worked much better. On the other side, Italian supplies and ammunition faced critical levels even after one month of military operations. In general Italian logistics failed to keep up with the confusing movements of the Italian units, as a result they were perennially lacking essential supplies. Italian General
Gabriele Nasci realized that the Greek units were far more familiar in mountain warfare and could always employ local guides and provisions, thus freeing them from concern with supply line and enable them to attack in more flexible way. Indeed, the area that the conflicts took place was far more familiar to the Greek soldiers than to the Italians. The Greek side was far more familiar in mountain warfare considering also the fact that many Greeks especially those natives of Epirus were fighting for their homes. Additionally some Greek weapons were superior to their Italian counterparts: the
Hotchkiss machine gun outperformed the Italian Breda and Fiat equivalent and was less liable to overheating as well as jammed less often. The
Skoda 75 mm and
105 mm mountain artillery of the Greek army was also superior compared to Italian mortars. As such at 29 March, Italian General Mario Roatta, Chief of the Italian General Staff, asked for German intervention to relieve the pressure on his own formations. On the other hand, just before the German intervention at April 1941, Greek, British and Yugoslav officers agreed that a joined Greek-Yugoslavian operation would force the Italians back to the Adriatic. Orders given by General Papagos dictated the advance of the Epirus Army towards Vlore and Berat, while the West Macedonia Army would cut the remaining Italian units located in Elbasan and Durrës. Additionally, Papagos advised the Yugoslav side to advance in the direction of Durrës, Kukes and Elbasan. A swift Italian defeat would free up forces that could be used for the defence of Macedonia against a German threat.
German intervention and Italian second spring offensive With most of the Greek army on the Albanian front, Operation Marita began through Bulgaria on 6 April, which created a second front. Greece had received a small reinforcement from
British forces based in Egypt in anticipation of the German attack, but no more help was sent after the invasion. The Greek army was outnumbered; the Bulgarian defensive line did not receive adequate troop reinforcements and was quickly overrun. The Germans outflanked the immobile Greek forces on the Albanian border, forcing the surrender of the Eastern Macedonia Field Army section in only
four days. The British Empire forces began a retreat. For several days Allied troops contained the German advance on the Thermopylae position, allowing ships to be prepared to evacuate the British force. The Germans reached Athens on 27 April and the southern shore on 30 April, capturing troops. The conquest of Greece was completed with the capture of Crete a month later and Greece was occupied by the military forces of Germany, Italy, and Bulgaria until late 1944. On 6 April, Papagos ordered TSDM to launch an attack towards Elbasan, in conjunction with Yugoslav forces. The attack began on 7 April and the 13th Division made some progress, but the Yugoslav army,
attacked by the Germans, rapidly collapsed and the operation was cancelled. On 12 April, GHQ in Athens ordered the Greek forces on the Albanian front to retreat but the decision was too late. The Greek commanders knew that Italian pressure, the lack of motor transport and pack animals, the physical exhaustion of the Greek army, and the poor transport network of
Epirus meant that any retreat was likely to end in disintegration. Advice to retreat before the start of the German attack had been rejected and they petitioned Pitsikas to surrender. Pitsikas forbade such talk, but notified Papagos and urged a solution that would secure "the salvation and honour of our victorious Army". The order to retreat, the disheartening news of the Yugoslav collapse, and the rapid German advance in
Macedonia led to a breakdown of morale in the Greek troops, many of whom had been fighting without rest for five months and were forced to abandon hard-won ground. By 15 April, the divisions of II Army Corps, beginning with the 5th Division, began to disintegrate, with men and even entire units abandoning their positions. With the advantage of German advance on Greece. On 13 April, General
Ugo Cavallero ordered the Italian 9th Army (General
Alessandro Pirzio Biroli) and the 11th Army (General
Carlo Geloso) to pursuit the retreating Greek units in Albania. The Italian advance was slowed due to the Greek rearguard actions left by the retreating Greek forces. Koritsa was reached on 14 April, Bilishti on 15 April, but Erseke fell on 17 April due to the stiff Greek resistance, Klisura also fell on the same day. The Italian offensive pushed towards Leskovik to Ponte Perati. Where the vanguards of the
47th Infantry Division 'Bari' encountered stiff Greek resistance, which was taken before the armistice. Cavallero desired of a combined action which would encircle the Greek forces in Epirus. But it was beyond capacity to the Italian forces to make this action. The XXV Army Corps entered Greek territory on 21 April.
Armistice On 16 April, Pitsikas reported to Papagos that signs of disintegration had also begun to appear among the divisions of I Corps and begged him to "save the army from the Italians" by allowing it to capitulate to the Germans, before the military situation collapsed completely. On the following day TSDM was renamed III Army Corps and placed under Pitsikas' command. The three corps commanders, along with the
metropolitan bishop of Ioannina, Spyridon, pressured Pitsikas to unilaterally negotiate with the Germans. When he refused, the others decided to bypass him and selected Tsolakoglou, as the senior of the three generals, to carry out the task. Tsolakoglou delayed for a few days, sending his chief of staff to Athens to secure permission from Papagos. The chief of staff reported the chaos in Athens and urged his commander to take the initiative in a message that implied permission by Papagos, although this was not in fact the case. On 20 April, Tsolakoglou contacted
Sepp Dietrich, the commander of the nearest German unit, the
Leibstandarte SS Adolf Hitler (LSSAH) brigade, to offer surrender. The protocol of surrender was signed by Tsolakoglou and Dietrich at 18:00 on the same day. Presented with the
fait accompli an hour later, Pitsikas resigned his command. The surrender agreement between Greece and Germany sparked protest by Mussolini, as Greece was required to surrender to Italy also. General
Wilhelm List then told Mussolini that another surrender agreement would be drawn with the Italians. The surrender agreement was formally signed on 23 April by General Tsolakoglou for
Greece, General
Alfred Jodl for Germany and General
Alberto Ferrero for Italy. ==Sea and air campaign==