Fuerteventura is one of the Canary Islands, in the Atlantic Ocean and is part of the North Africa region, politically part of Spain. At 1,659.74 square kilometres (640.83 sq mi), it is the second largest of the Canary Islands, after Tenerife. As at the start of 2019, Fuerteventura had 116,886 inhabitants. It was declared a biosphere reserve by UNESCO in May 2009. Its capital is Puerto del Rosario.