Fuerteventura is one of the Canary Islands, in the Atlantic Ocean and is part of the North Africa region, politically part of Spain. At 1,660 square kilometres (640 sq mi), it is the second largest of the Canary Islands, after Tenerife. As at the start of 2019, Fuerteventura had 116,886 inhabitants, the least populated of the Province of Las Palmas It was declared a biosphere reserve by UNESCO in May 2009. Its capital is Puerto del Rosario.