Mayotte is an overseas department and region of France consisting of a main island, Grande-Terre, a smaller island, Petite-Terre, and several islets around these two. The archipelago is located in the northern Mozambique Channel in the Indian Ocean, namely between northwestern Madagascar and northeastern Mozambique. Mayotte's area is 374 square kilometres and, with its estimated 194,000 people, is very densely populated at 520 per km2 . Wikipedia