Martinique (an Overseas department of France) is an island in the eastern Caribbean Sea covering an area of approximately 1,100 sq km. The capital of Martinique is Fort-de-France. The island has a mountainous terrain with an indented coastline and a dormant volcano. As part of France, Martinique is one of the 26 regions of France and is part of the European Union. The currency, therefore, is the euro. Exports include bananas, petroleum products and rum. The population of approximately 433,000 people comprises an ethnic makeup that is 90% African and mixed African-white-Indian. The primary languages are French and Creole, and the predominant religion is Christianity.