Coordinates: 18°4′31″N 63°3′36″W / 18.07528°N 63.06000°W / 18.07528; -63.06000 The Collectivity of Saint Martin (French: Collectivité de Saint-Martin), commonly known as simply Saint Martin (Saint-Martin), is an overseas collectivity of France in the West Indies in the Caribbean. With a population of 36,286 as of January 2011 (with more recent estimates putting the population at 32,300) on an area of 53.2 square kilometres (20.5 sq mi), it encompasses the northern 60% of the divided island of Saint Martin, and some neighbouring islets, the largest of which is Île Tintamarre. The southern 40% of the island of Saint Martin constitutes Sint Maarten, which has been a constituent country of the Kingdom of the Netherlands since 2010. This marks the only place in the world where France borders the Netherlands. Before 2007, the French region of Saint Martin formed a part of the French overseas région and département of Guadeloupe. Saint Martin is separated from the island of Anguilla by the Anguilla Channel. Its capital is Marigot.