Holbæk Municipality

Holbæk Municipality
Holbæk Kommune (Danish)
Coordinates: 55°42′N 11°42′E / 55.7°N 11.7°E / 55.7; 11.7
CountryDenmark
RegionZealand
Established2007
SeatHolbæk
Government
  MayorChristina Krzyrosiak Hansen (S)
Area
  Total
578.7 km2 (223.4 sq mi)
Population
 (1. January 2025)
  Total
74,490
  Density130/km2 (330/sq mi)
Time zoneUTC+1 (CET)
  Summer (DST)UTC+2 (CEST)
Municipal code316
Websiteholbaek.dk

Holbæk Municipality (Danish: Holbæk Kommune) is a kommune in northwestern Region Sjælland on the island of Zealand in Denmark. The municipality includes the island of Orø, and covers an area of 583 km², and has a total population of 74,490 (2025). Its mayor is Christina Krzyrosiak Hansen, a member of the Social Democrats and the youngest mayor ever in Denmark. The main town and the site of its municipal council is the city of Holbæk. On 1 January 2007 Holbæk municipality was, as the result of Kommunalreformen ("The Municipal Reform" of 2007), merged with existing Jernløse, Svinninge, Tornved, and Tølløse municipalities to form a new Holbæk municipality.