Sønderborg (German: Sonderburg), is a municipality (Danish, kommune) in Region Syddanmark 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 496,57 km² (192 sq. miles), and has a total population of 76,236 (2008). Its mayor is Jan Prokopek Jensen, a member of the Socialdemokraterne political party. The site of its municipal council is the town of Sønderborg, which covers most… (More on Sonderborg)