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 of Friesland. Dutch, English, and Papiamento are official in the Caribbean territories. People from the Netherlands are referred to as Dutch.