Hollandia Japanese forces captured and occupied Hollandia in April 1942 and it was established as the capital of the administration. The
Imperial Japanese Navy established a base in Jayapura port in 1942. The Navy also anchored their ships in Humboldt Bay and later added infantry troops to strengthen their marines. According to the
Allies, there were two infantry regiments in Papua and one marine regiment. The Dutch had tried to increase trade from Papua, but the Japanese increased it even more. The Japanese later established
Cenderawasih University in 1943. In Hollandia, the Japanese forced the native Papuans to create roads and at
Lake Sentani there were three airfields created by manual labour. The occupation of Jayapura was described as the worst in all of the
Dutch East Indies In April 1944, US troop entered in Hollandia and
fought with Japanese forces which later ended in a victory for the allies with US troops occupying the city.
Sentani The town of
Sentani was occupied by Japanese forces on 1943 which later ended on 1944, when Allied troops rounded up 800 Japanese soldiers and killed them all.
Kavieng The town of
Kavieng of
New Ireland was occupied by Japanese forces in January 1942 and there was a military base established there by the Japanese, smaller than the one at Rabaul. The town was frequently bombed by allied forces throughout 1943-1944 until it was liberated by Australian and American troops in 1945. There are many sunken ships of the Japanese on the coastline of Kavieng, which is now a popular tourist destination. Nearly the whole town was destroyed after allied troops took it back due to bombings in the area.
Rabaul On 23 January 1942, 5,000 Japanese forces captured
Rabaul. There were around 100 ships docked at Simpson Harbour, and many
Koreans,
British, and
Indians were forced into labour on Rabaul. On 13 September 1945, Australian troops captured the city, ending the occupation. == Demographics ==