Rotterdam is a city and municipality in the Dutch province of South Holland. The municipality is the second largest in the country.
Utrecht city and municipality is the capital and most populous city of the Dutch province of Utrecht.
Amsterdam is the capital and largest city of the Netherlands. The city is the financial and cultural capital of the Netherlands.
Den Haag is the home of the States-General of the Netherlands. Den Haag is also the de facto judicial capital of the United Nations, being the location of its primary judicial institutions.