Sønderborg Municipality

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Coat of arms
Country Denmark
Region Southern Denmark
Coordinates 54°55′0″N 9°47′0″E / 54.91667°N 9.78333°E / 54.91667; 9.78333Coordinates: 54°55′0″N 9°47′0″E / 54.91667°N 9.78333°E / 54.91667; 9.78333
Area 496 km2 (192 sq mi)
Population 75,264 (2014)
Municipality since January 2007
Timezone CET (UTC+1)
 - summer (DST) CEST (UTC+2)
Map DK Sønderborg.PNG
Sønderborg Municipality in Denmark

Sønderborg Municipality (German: Sonderburg), is a municipality (Danish, kommune) in Region of Southern Denmark partially on the Jutland peninsula and partially on the island of Als in south Denmark, at the border with Germany. The municipality covers an area of 495.86 km2 (191.45 sq mi), and has a population of 75,264 (as of 2014). Its mayor 2010-13 was Aase Nyegaard from the local list/party Fælleslisten Sønderborg. She was mayor of Augustenborg Municipality 2002-07. Its mayor as of 1 January 2014 is Erik Lauritzen, a member of the Social Democratic party.


The municipality is split into two sections separated by Alssund, the waterway which separates the island of Als from the Jutland mainland.

2007 administrative reform[edit]

On January 1, 2007, due to Kommunalreformen ("The Municipal Reform" of 2007), the former Sønderborg municipality was combined with Augustenborg, Broager, Gråsten, Nordborg, Sydals, and Sundeved municipalities to form a new Sønderborg municipality. The municipality shares the number one position with Lolland Municipality of being formed through the merger of most former municipalities in the reform of 2007:seven (7). The former Sønderborg municipality covered an area of 54 km2 (21 sq mi), and had a population of 30,555 (2005). Its last mayor was Arne Peder Hansen, a member of the Venstre (Liberal Party) political party.

The city of Sønderborg[edit]

The site of its municipal council is the town of Sønderborg.


The municipality is home to two of the major industrial companies in Denmark Danfoss and Linak.

North Schleswig Germans[edit]

Sønderborg Municipality is home to the only officially recognised ethno-linguistic minority of Denmark proper, the North Schleswig Germans. This minority makes up about 6% of the total population of the municipalities of Aabenraa/Apenrade, Haderslev/Hadersleben, Sønderborg/Sonderburg and Tønder/Tondern. In these four municipalities, the German minority enjoys certain linguistic rights in accordance with the European Charter for Regional or Minority Languages.

International relations[edit]

Twin towns — Sister cities[edit]

Sønderborg is twinned with:


External links[edit]