Martinique is an island in the Lesser Antilles in the eastern Caribbean Sea, with a land area of 1,128 km (436 sq mi). Like Guadeloupe, it is an overseas region of France, consisting of a single overseas department. To the northwest lies Dominica, to the south St Lucia, and to the southeast Barbados. As with the other overseas departments, Martinique is one of the twenty-seven regions of France and an integral part of the Republic.