Nieuwkoop (population: 11,021) is a town in the western Netherlands, in the province of South Holland. The municipality covers an area of 38.47 km² (of which 11.00 km² water).

The municipality of Nieuwkoop also includes the following towns, villages and townships: Noorden, Woerdense Verlaat.

http://www.plattegronden.nl/gemeenteliemeer-teraar-nieuwkoop/