The Metropolitan Region Amsterdam is the city region around the city of Amsterdam, the capital of the Netherlands. It lies in the Noordvleugel of the larger polycentric Randstad metropolitan area and encompasses the city of Amsterdam, the provinces of North Holland and Flevoland, as well as 36 further municipalities within the two provinces, with a total population of over 2.5 million inhabitants.

Zaanstad is a Dutch municipality in the province of North Holland, situated northwest of Amsterdam. Its main city is Zaandam. It is part of the conurbation and metropolitan area of Amsterdam. It had a population of 156,901 in 2021.