Where and What is Chagos?

The Chagos Archipelago lies 1,000 miles east of the Seychelles in the central Indian Ocean.  The archipelago is constituted as the British Indian Ocean Territory (BIOT).  The Chagos has the world‘s largest coral atoll and 55 tiny islands (of which much the largest is Diego Garcia) set in 210,000 square miles of the world’s cleanest seas.  It is one of the world‘s greatest areas of marine biodiversity.