Slagelse Kommune is a municipality in Region Sjælland, Denmark. The municipality covers an area of 570,10 km2, and has a total population of 79.691. The municipality was created on January 1st 2007, in a merger of the former municipalities of Hashøj Kommune, Korsør Kommune, Skælskør Kommune and Slagelse Kommune.
Storebæltsbroen is a combined bridge and tunnel connection intended for train and motor traffic that crosses the Storebælt and connects Fyn and Sjælland. The bridge connection was opened June 14th 1998.