Maasland (population: 6,844) is a town in the western Netherlands, in the province of South Holland. It lies in the municipality (gemeente) of Midden-Delfland and covers an area of 24.42 km² (of which 0.64 km² water).The first signs of a community started back in 925 when the area became part of the county of Graaf Dirk II and a church was built.