|British Indian Ocean Territory|
|a UK Overseas Territory in the Indian Ocean: consists of the Chagos Archipelago (formerly a dependency of Mauritius) and formerly included (until 1976) Aldabra, Farquhar, and Des Roches, now administratively part of the Seychelles. Diego Garcia is an important US naval base|
coral atoll, largest and southernmost member of the Chagos Archipelago, in the central Indian Ocean, part of the British Indian Ocean Territory. Occupying an area of 17 square miles (44 square km), it consists of a V-shaped, sand-fringed cay about 15 miles (24 km) in length with a maximum width of about 7 miles (11 km); its lagoon is open at the north end
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