Formosa (Guinea-Bissau)

Formosa is an island in the Bissagos Islands, Guinea-Bissau, part of the sector of Caravela. Its area is 140 km2, its length is 19.9 km and its width is 10 km. It forms practically one island with Ponta and Maio, separated by creeks. The island has a population of 1,873 (2009 census); the largest village is Abú.