(population: 13,623) is a municipality in the north-western Netherlands
, in the province of North Holland
. The municipality covers an area of 62.59 km²
(of which 2.61 km² water).
The municipality of Wester-Koggenland consists the following towns, villages and townships: Avenhorn, Berkhout, De Goorn, Oudendijk, Rustenburg, Scharwoude, Spierdijk, Ursem, Wogmeer, Zuidermeer.