Sint Maarten is a constituent country of the Kingdom of the Netherlands in the Caribbean. With a population of 41,486 as of January 2019 on an area of 34 km2 (13 sq mi), it encompasses the southern 44% of the divided island of Saint Martin, while the northern 56% of the island constitutes the French overseas collectivity of Saint Martin. Sint Maarten's capital is Philipsburg. Collectively, Sint Maarten and the other Dutch islands in the Caribbean are often called the Dutch Caribbean.

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 several smaller island territories located in the Caribbean.