Sorø Municipality is a municipality (Danish, kommune) in Region Sjælland on the island of Zealand (Sjælland) in east Denmark. The municipality covers an area of 317 km2 (122 sq mi), and has a total population of 29,180 (2008). Its mayor is Ivan Hansen, a member of the Social Democrats (Socialdemokraterne) political party.The main town and the site of its municipal council is the town of Sorø.