From 1953 to 2024, the number of municipalities in Iceland decreased from 229 to 62: •
Unknown date (reduced to 60) •
Árneshreppur and Kaldrananeshreppur to be merged. •
31 May 2026 (reduced to 61) •
Skorradalshreppur to be merged with Borgarbyggð. • 1 August 2024 (reduced to 62) •
Skagabyggð merged with
Húnabyggð. • 19 May 2024 (reduced to 63) •
Tálknafjarðarhreppur merged with Vesturbyggð. • 14 May 2022 (reduced to 64) •
Skútustaðahreppur merged with
Þingeyjarsveit. • Stykkishólmsbær and
Helgafellssveit merged to form
Stykkishólmur. •
Svalbarðshreppur merged with
Langanesbyggð. •
Akrahreppur merged with
Skagafjörður. •
Blönduósbær and
Húnavatnshreppur merged to form
Húnabyggð • 17 February 2020 (reduced to 69) •
Borgarfjarðarhreppur,
Djúpavogshreppur,
Fljótsdalshérað, and
Seyðisfjarðarkaupstaður merged to form
Múlaþing. • 24 January 2019 •
Akureyrarkaupstaður renamed into
Akureyrarbær. • 7 January 2019 • Sandgerði/Garður renamed into
Suðurnesjabær. • 26 May 2018 (reduced to 72) •
Breiðdalshreppur merged with
Fjarðabyggð. •
Sandgerði and
Garður merged to form
Sandgerði/Garður. • 13 August 2013 • Seltjarnarneskaupstaður renamed into
Seltjarnarnesbær. • 1 January 2013 (reduced to 74) •
Álftanes merged with
Garðabær. • 1 January 2012 (reduced to 75) • Bæjarhreppur merged with
Húnaþing vestra • 11 June 2010 (reduced to 76) • Arnarneshreppur merged with
Hörgárbyggð. • 1 June 2009 (reduced to 77) • Grímseyjarhreppur merged with
Akureyrarkaupstaður. • 15 July 2008 (reduced to 78) • Aðaldælahreppur merged with
Þingeyjarsveit. • 12 September 2007 • Höfðahreppur renamed into
Skagaströnd. • 8 April 2006 (reduced to 79) • Þórshafnarhreppur and Skeggjastaðahreppur merged to form
Langanesbyggð. • 11 March 2006 (reduced to 80) • Áshreppur merged with
Húnavatnshreppur. • Hólmavíkurhreppur and Broddaneshreppur merged to form
Strandabyggð. • 20 February 2006 (reduced to 82) • Saurbæjarhreppur merged with
Dalabyggð. • 11 February 2006 (reduced to 83) • Gaulverjabæjarhreppur, Hraungerðishreppur, and Villingaholtshreppur merged to form
Flóahreppur. • 28 January 2006 (reduced to 85) •
Ólafsfjarðarbær and
Siglufjarðarkaupstaður merged to form
Fjallabyggð. • 21 January 2006 (reduced to 86) •
Húsavíkurbær, Kelduneshreppur,
Öxarfjarðarhreppur, and
Raufarhafnarhreppur merged to form
Norðurþing. • 10 January 2006 • Vatnsleysustrandarhreppur renamed into
Vogar. • 8 October 2005 (reduced to 89) • Mjóafjarðarhreppur, Fáskrúðsfjarðarhreppur, and Austurbyggð merged with
Fjarðabyggð. • 23 April 2005 (reduced to 92) • Borgarfjarðarsveit, Hvítársíðuhreppur, and Kolbeinsstaðahreppur merged with
Borgarbyggð. • 20 November 2004 (reduced to 95) • Bólstaðarhlíðarhreppur, Sveinsstaðarhreppur, Svínavatnshreppur, and Torfalækjarhreppur merged to form
Húnavatnshreppur. • Hvalfjarðarstrandarhreppur, Innri-Akraneshreppur, Leirár- og Melahreppur, and Skilmannahreppur merged to form
Hvalfjarðarsveit. • 1 November 2004 (reduced to 101) • Austur-Hérað, Fellahreppur, and Norður-Hérað merged to form
Fljótsdalshérað. • 1 August 2004 (reduced to 103) • Hríseyjarhreppur merged with
Akureyrarkaupstaður. • 17 June 2004 • Bessastaðahreppur renamed into
Álftanes. • 28 January 2004 • Gerðahreppur renamed into
Garður. • 10 May 2003 (reduced to 104) • Stöðvarhreppur and Búðahreppur merged to form
Austurbyggð. • 9 June 2002 (reduced to 105) • Kirkjubólshreppur merged with
Hólmavíkurhreppur. • 16 March 2002 (reduced to 106) • Holta- og Landsveit, Djúpárhreppur, and Rangárvallahreppur merged to form
Rangárþing ytra. • 12 March 2002 (reduced to 108) • Húsavíkurkaupstaður and Reykjahreppur merged to form
Húsavíkurbær. • 11 February 2002 (reduced to 109) • Þingvallahreppur, Laugardalshreppur, and Biskupstungnahreppur merged to form
Bláskógabyggð. • 21 January 2002 (reduced to 111) • Gnúpverjahreppur and Skeiðahreppur merged to form
Skeiða- og Gnúpverjahreppur • 31 December 2001 (reduced to 112) • Vindhælishreppur merged with
Skagabyggð. • 20 November 2001 (reduced to 113) • Austur-Eyjafjallahreppur, Vestur-Eyjafjallahreppur, Austur-Landeyjahreppur, Vestur-Landeyjahreppur, Fljótshlíðarhreppur, and Hvolhreppur merged to form
Rangárþing eystra. • 15 November 2001 (reduced to 118) • Hálshreppur, Ljósavatnshreppur, Bárðdælahreppur, and Reykdælahreppur merged to form
Þingeyjarsveit. • 26 April 2001 (reduced to 121) • Engihlíðarhreppur merged with
Blönduósbær. • 1 January 2001 (reduced to 122) • Skriðuhreppur, Öxnadalshreppur, and Glæsibæjarhreppur merged to form
Hörgárbyggð. • 7 June 1998 (reduced to 124) • Kjalarneshreppur merged with
Reykjavíkurborg. • Skriðdalshreppur, Vallahreppur, Egilsstaðabær, Eiðahreppur, and Hjaltastaðarhreppur merged to form
Austur-Hérað. • Dalvíkurkaupstaður, Svarfaðardalshreppur, and Árskógshreppur merged to form
Dalvíkurbyggð. •
Neskaupstaður, Eskifjarðarkaupstaður and Reyðarfjarðarhreppur merged to form
Fjarðabyggð. • Staðarhreppur, Fremri Torfustaðahreppur, Ytri Torfustaðahreppur, Hvammstangahreppur, Kirkjuhvammshreppur, Þverárhreppur, and Þorkelshólshreppur merged to form
Húnaþing vestra. • Selfosskaupstaður, Stokkseyrarhreppur, Eyrarbakkahreppur, and Sandvíkurhreppur merged to form
Árborg. • Lundarreykjardalshreppur, Reykholtsdalshreppur, Hálsahreppur, and Andakílshreppur merged to form
Borgarfjarðarsveit. • 6 June 1998 (reduced to 145) •
Sauðárkrókskaupstaður,
Skefilsstaðahreppur,
Skarðshreppur,
Staðarhreppur,
Seyluhreppur,
Lýtingsstaðahreppur,
Rípurhreppur,
Viðvíkurhreppur,
Hólahreppur,
Hofshreppur, and
Fljótahreppur merged to form
Skagafjörður. • Bæjarhreppur, Borgarhafnarhreppur, Hofshreppur, and Hornafjarðarbær merged to form
Hornafjörður. • 1 June 1998 (reduced to 155) • Grímsneshreppur and Grafningshreppur merged to form
Grímsnes- og Grafningshreppur. • 14 February 1998 (reduced to 158) • Þverárhlíðarhreppur, Borgarhreppur, and Álftaneshreppur merged with
Borgarbyggð. • 1 January 1998 (reduced to 161) • Skógarstrandarhreppur merged with
Dalabyggð. • 27 December 1997 (reduced to 163) • Hlíðarhreppur, Jökuldalshreppur, and Tunguhreppur merged to form
Norður-Hérað. • 1 June 1996 (reduced to 165) • Ísafjarðarkaupstaður, Þingeyrarhreppur, Mýrahreppur, Mosvallahreppur, Flateyrarhreppur, and Suðureyrarhreppur merged to form
Ísafjarðarbær. • 19 April 1995 (increased to 170) • Helgafellssveit split from
Stykkishólmur. • 1 January 1995 (reduced to 169) • Ögurhreppur and Reykjarfjarðarhreppur merged with
Súðavíkurhreppur. • 12 June 1994 (reduced to 171) • Höfn, Nesjahreppur, and Mýrahreppur merged to form
Hornafjarðarbær. • 11 June 1994 (reduced to 173) • Suðurdalahreppur, Haukadalshreppur, Laxárdalshreppur, Hvammshreppur, Fellsstrandarhreppur, and Skarðshreppur merged to form
Dalabyggð. • Staðarsveit, Breiðuvíkurhreppur, Neshreppur utan Ennis, and Ólafsvíkurbær merged to form
Snæfellsbær. • Hafnahreppur, Keflavíkurbær, and Njarðvíkurbær merged to form
Reykjanesbær. • Norðfjarðarhreppur merged with
Neskaupstaður. • Barðastrandarhreppur, Rauðasandshreppur, Patrekshreppur, and Bíldudalshreppur merged to form
Vesturbyggð. • Sauðaneshreppur merged with
Þórshafnarhreppur. • Norðurárdalshreppur, Stafholtstungnahreppur, Borgarnesbær, and Hraunhreppur merged to form
Borgarbyggð. • Eyjarhreppur and Miklaholtshreppur merged to form
Eyja- og Miklaholtshreppur. • Nauteyrarhreppur í Norður-Ísafjarðarsýslu and Hólmavíkurhreppur í Strandasýslu merged to form
Hólmavíkurhreppur. • Snæfjallahreppur í Norður-Ísafjarðarsýslu merged with
Ísafjarðarkaupstaður. • Helgafellssveit merged with
Stykkishólmur. • 1 January 1994 (reduced to 195) • Fjallahreppur merged with
Öxarfjarðarhreppur. • 1 July 1993 (reduced to 196) • Landmannahreppur and Holtahreppur merged to form
Holta- og Landsveit. • 1 October 1992 (reduced to 197) • Beruneshreppur, Búlandshreppur, and Geithellnahreppur merged to form
Djúpavogshreppur. • 1 January 1992 (reduced to 199) • Hörðudalshreppur merged with Miðdalahreppur to form
Suðurdalahreppur. • Fellshreppur í Strandasýslu merged with Óspakseyrarhreppur to form
Broddaneshreppur. • 17 February 1991 (reduced to 201) • Presthólahreppur merged with
Öxarfjarðarhreppur. • 1 January 1991 (reduced to 202) • Hrafnagilshreppur, Saurbæjarhreppur, and Öngulsstaðahreppur merged to form
Eyjafjarðarsveit. • 10 June 1990 (reduced to 204) • Hofsóshreppur and Fellshreppur merged with
Hofshreppur. • Hörglandshreppur, Kirkjubæjarhreppur, Skaftártunguhreppur, Leiðvallahreppur, and Álftavershreppur merged to form
Skaftárhreppur. • 1 April 1990 (reduced to 210) • Fróðárhreppur merged with
Ólafsvíkurkaupstaður. • Auðkúluhreppur merged with
Þingeyrarhreppur. • Seyðisfjarðarhreppur merged with
Seyðisfjarðarkaupstaður. • 1 January 1989 (reduced to 213) • Selvogshreppur merged with
Ölfushreppur. • 1 April 1988 (reduced to 214) •
Haganeshreppur merged with
Holtshreppur to form
Fljótahreppur. • 1 January 1988 (reduced to 215) • Helgustaðahreppur merged with
Eskifjarðarkaupstaður. • 4 July 1987 (reduced to 216) • Geiradalshreppur, Gufudalshreppur, Múlahreppur, and Flateyjarhreppur merged with
Reykhólahreppur. • 1 July 1987 (reduced to 220) • Ketildalahreppur merged with Suðurfjarðarhreppur to form
Bíldudalshreppur. • 1 January 1987 (reduced to 221) • Hrófbergshreppur merged with
Hólmavíkurhreppur. • 30 July 1986 (reduced to 222) • Klofningshreppur merged with
Fellsstrandarhreppur. • 1984 (reduced to 223) • Dyrhólahreppur merged with Hvammshreppur to form
Mýrdalshreppur. • 1972 (reduced to 224) • Flateyjarhreppur merged with
Hálshreppur. • Loðmundarfjarðarhreppur merged with
Borgarfjarðarhreppur. • 1971 (reduced to 226) • Eyrarhreppur merged with
Ísafjarðarkaupstaður. • 1 January 1964 (reduced to 227) • Grunnavíkurhreppur merged with
Snæfjallahreppur. • 1953 (229 municipalities reduced to 228) • Sléttuhreppur is deserted and included in
Ísafjarðarkaupstaður, but not officially merged until 1995. ==See also==