6°10′S 72°00′E / 6.167°S 72.000°E
The Great Chagos Bank, in the Chagos Archipelago, about 500 km (310 mi) south of Maldives, is the largest atoll structure in the world, with a total area of 12,642 km2 (4,881 sq mi).[1] The atoll is administered by the United Kingdom through the British Indian Ocean Territory (BIOT).