(population: 135,762) is a municipality in the north-western Netherlands
, in the province of North Holland
. The municipality covers an area of 81.77 km²
(of which 15.54 km² water).
The municipality of Zaanstad consists the following towns, villages and townships: Assendelft, Koog aan de Zaan, Krommenie, Westzaan, Wormerveer, Zaandam, Zaandijk.