What island lies in the gulf of Guinea off coast Cameroon?

Bioko is an island located in the Gulf of Guinea, off the coast of Cameroon. It is the largest island of Equatorial Guinea and is home to the country's capital city, Malabo. Bioko is a volcanic island and is known for its lush rainforests, beautiful beaches, and diverse wildlife. The island is also home to a number of historical sites, including the ruins of a Portuguese fort and a Spanish colonial town.