Bioko is an island located in the Gulf of Guinea, part of Equatorial Guinea. In it is the capital, Malabo. It is 32 km from the coast of Cameroon and has an area of 2,017 square kilometers. Its population (2015) is 230,000 inhabitants. Previously, during the Spanish era, was known as Fernando Poo, the name of its discoverer in the fifteenth century, Fernão do Pó.