Bahamas (full name, Commonwealth of the Bahamas) is a chain of islands in the North Atlantic Ocean, southeast of Florida, northeast of Cuba, covering an area of approximately 14,000 sq km with 3,542 km of coastline. Its terrain consists of long, flat coral formations with some low rounded hills. The country is divided into 21 districts - Acklins and Crooked Islands, Bimini, Cat Island, Exuma, Freeport, Fresh Creek, Governor's Harbour, Green Turtle Cay, Harbour Island, High Rock, Inagua, Kemps Bay, Long Island, Marsh Harbour, Mayaguana, New Providence, Nichollstown and Berry Islands, Ragged Island, Rock Sound, Sandy Point, San Salvador and Rum Cay. Nassau is the capital, with a time difference of 5 hours behind that of GMT. The currency is the Bahamian dollar, and exports include pharmaceuticals, cement, rum, crawfish and refined petroleum products. The population of approximately 309,000 people comprises an ethnic makeup that is 85% black and 12% white. The primary language is English, and the predominant religion is Christianity.