The island area of Sint Maarten (Dutch: Eilandgebied Sint Maarten) is one of five island areas (Eilandgebieden) of the Netherlands Antilles, encompassing the southern half of the island of Saint Martin/Sint Maarten. At the 2001 Netherlands Antilles census, the population of the Eilandgebied was 30,594, for a population density of 900 inhabitants per km². Sint Maarten borders the French overseas collectivity of Saint-Martin, which occupies the northern half of the island.