Maarssen (population: 40,599) is a town in the central Netherlands, in the province of Utrecht. The municipality covers an area of 30.00 km² (of which 3.31 km² water).
The municipality of Maarssen also includes the following towns, villages and townships: Maarssenbroek, Molenpolder, Oud-Maarsseveen, Oud-Zuilen, Tienhoven.
