Zaanstad [ˈzaːn.stɑt] is a municipality in the Netherlands, in the province of North Holland. Its main town is Zaandam. It is part of the metropolitan area of Amsterdam. The municipality of Zaanstad consists of the following cities, towns, villages and/or districts: Assendelft, Koog aan de Zaan, Krommenie, Westzaan, Wormerveer, Zaandam, Zaandijk. The municipal council of Zaanstad consists of 39 seats, which are divided as follows: PvdA , VVD , ZOG , SP , GroenLinks , D66 , CDA , TROTS , ROSA , ChristenUnie , Democratisch Zaanstad , POV , PvdIJ , Dissels .