Frederikssund Municipality

Frederikssund Kommune is a municipality on the shores of Roskilde Fjord in the northern part of the island of Zealand (Sjælland) in eastern Denmark. On 1 January 2007, the municipality was enlarged to include the old Jægerspris, Slangerup, and Skibby municipalities. It now covers an area of 250 km² and has a population of 45,800 (1. January 2022). As of 1 January 2014 its mayor is John Schmidt Andersen, a member of the agrarian liberal Venstre political party. Frederikssund municipality belongs to Region Hovedstaden (Capital Region).

The seat of its municipal council is the town of Frederikssund with a population of 15,283 (1 January 2009). The town is connected to the Hornsherred peninsula by the Kronprins Frederik bridge. The former municipalities of Jægerspris and Skibby are located on this peninsula.