's a municipality in the Netherlands, in the province of North Holland. Its main town's Zaandam. It's part of the metropolitan area of Amsterdam. Population centres The municipality of Zaanstad consists of the following cities, towns, villages and/or districts: Assendelft, Koog aan de Zaan, Krommenie, Westzaan, Wormerveer, Zaandam, Zaandijk, 't Kalf, Kogerveld. Train Stations in the Zaanstad Area Koog Bloemwijk railway station Koog-Zaandijk railway station Krommenie-Assendelft railway stat… (More on Zaanstad)