Lejre Municipality is a kommune in the Region Zealand of Denmark.

Hvalsø is a town and a former municipality in Region Sjælland on the island of Zealand (Sjælland) in east Denmark. The former municipality covered an area of 72 km2, and had a total population of 7,856 (2005). Its last mayor was Virginia Holst, a member of the Venstre political party. She was the first foreign national becoming mayor in a Danish municipality.