Exuma is a district of the Bahamas, consisting of over 365 islands, also called cays. The largest of the cays is Great Exuma, which is 37 mi (60 km) in length and joined to another island, Little Exuma by a small bridge. The capital and largest city in the district is George Town (permanent population 1,000), founded 1793 and located on Great Exuma. The Tropic of Cancer runs across a beach close to the city. The entire island chain is 130 mi (209 km) long and 72 sq. mi (187 km²) in area.