island in the Bight of Biafra (Gulf of Guinea), lying about 60 miles (100 km) off the coast of southern Nigeria and 100 miles (160 km) northwest of ... [3 related articles] Found on http://www.britannica.com/eb/a-z/b/66
an island in the Bight of Biafra, near the W coast of Africa: a province of Equatorial Guinea. 80,000; ab. 800 sq. mi. (2072 sq. km). Formerly, Found on https://www.infoplease.com/dictionary/bioko