Bioko (spelled also Bioco) is an island off the west coast of Africa in the Gulf of Guinea, part of Equatorial Guinea. In colonial times it was known as Fernando Pó or Fernando Poo, and under the Africanization policy of dictator Masie Nguema Biyogo it was renamed Masie Ngueme Biyogo Island(sp. Francisco Macías Biogo); on his overthrow in 1979 it was named Bioko. It is known as Otcho to the Bubi people.
