Guinea, formerly People’s Revolutionary Republic of Guinea, independent nation in western Africa, bounded on the north by Guinea-Bissau, Senegal, and Mali; on the east and southeast by Côte d’Ivoire; on the south by Liberia and Sierra Leone; and on the west by the Atlantic Ocean. The total area of the country, including the Los Islands of Conakry, is 245,857 sq km (94,926 sq mi). Conakry is the capital and largest city.