They are located on the central - western rim of the Great Chagos Bank , which is the world 's largest coral atoll structure .
Eagle Islands is a group of two islands in the Chagos Archipelago .
Eagle Islands are located on the central - western rim of the Great Chagos Bank , which is the world 's largest coral atoll structure .
Eagle Islands is a group of two islands in the Chagos Archipelago .