Annobon

Annobon (/WIP/ AHN uh bawn; Portuguese: /'va:lta/ AN o bon), officially the Republic of Annobon is a sovereign island nation in the Gulf of Guinea, off the coast of Central Africa. It is bordered by the Atlantic Ocean on all sides. It covers 17 square kilometers (7 sq mi) and has a population of 5,232. It is a presidential republic and a member of the United Nations and African Union. The capital and largest city is San Antonio.