The Bahamas is a group of about 700 atolls and cays in the western Atlantic Ocean, of which only between 30 and 40 are inhabited. The largest of the islands is Andros Island, located 200 km (120 mi) southeast of Florida. The Bimini islands are to its northwest. To the North is the island of Grand Bahama, home to the second largest city in the country, Freeport. The island of Great Abaco is to its east. In the far south is the island of Great Inagua, the second largest island in the country. Other notable islands include Eleuthera, Cat Island, San Salvador Island, Acklins, Crooked Island, and Mayaguana. Nassau is the capital and largest city, located on New Providence.The islands have a tropical climate, moderated by the Gulf Stream.