Guinea-Bissau (gin'ē-bis"sou') [key], officially Republic of Guinea-Bissau, republic (2005 est. pop. 1,416,000), 13,948 sq mi (36,125 sq km), W Africa. It borders on the Atlantic Ocean in the west, on Senegal in the north, and on Guinea in the east and south. The country includes the nearby Bijagós (Bissagos) Archipelago and other islands in the Atlantic. Bissau is the capital and only large city.
