Frederikssund
| Frederikssund | |
|---|---|
| Town hall | |
| Coordinates: 55°50′00″N 12°04′00″E / 55.83330°N 12.06659°E | |
| Country | Denmark | 
| Region | Capital (Hovedstaden) | 
| Municipality | Frederikssund | 
| Government | |
| • Mayor | John Schmidt Andersen | 
| Area | |
| • Urban | 8.2 km2 (3.2 sq mi) | 
| Population  (2025) | |
| • Urban | 17,583 | 
| • Urban density | 2,100/km2 (5,600/sq mi) | 
| • Gender | 8,561 males and 9,022 females | 
| Demonym | Frederikssunder | 
| Time zone | UTC+1 (Central Europe Time) | 
| • Summer (DST) | UTC+2 | 
Frederikssund (Danish pronunciation: [fʁeðʁek(s)ˈsɔnˀ, fʁæðʁæk(s)ˈsɔnˀ]) is a Danish town, seat of the Frederikssund Municipality, in the Region Hovedstaden with a population of 17,583 (1 January 2025). It received the status of market town in 1810. The town is famous for its annual Viking Games as well as for the J.F. Willumsen museum. Since 1935, it has been connected to Hornsherred via the Kronprins Frederik Bridge.