Zoetermeer is a city in the Western Netherlands, in the province of South Holland. The municipality covers an area of km2 of which km2 is water. A small village until the late 1960s, it had 6,392 inhabitants in 1950. By 2013 this had grown to 123,328, making it the third largest population centre in the province of South Holland, after Rotterdam, The Hague and Leiden. While now a city in its own right, Zoetermeer started out as a suburb of The Hague and is still a part of the Greater The Hague urban area.