Kingdom of the Netherlands

, informally Holland, is a country in Northwestern Europe, with overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Netherlands. The Netherlands consists of twelve provinces and three overseas special municipalities. European Netherlands has land borders with Germany to the east and with Belgium to the south, and a coastline to the north and west. It shares maritime borders with the United Kingdom, Germany, and Belgium in the North Sea. The official language is Dutch, with West Frisian as a secondary official language in the province

The Kingdom of the Netherlands, commonly known simply as the Netherlands, is a sovereign state consisting of a collection of constituent territories united under the monarch of the Netherlands, who functions as head of state. The realm is not a federation; it is a unitary monarchy with its largest subdivision, the eponymous Netherlands, predominantly located in Northwestern Europe and with three smaller island territories located in the Caribbean.

constituent country of the Kingdom of the Netherlands, 1954–1975