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.
|Area||140 km2 (54 sq mi)|
- População por região, sector e localidades por sexo censo 2009, Instituto Nacional de Estatística Guiné-Bissau
- Formosa in the Catalogue of Islands at UNEP (United Nations Environment Program) - accessed 16 November 2018
- Sailing Directions (Enroute), Pub. 143: West Coast of Europe and Northwest Africa (PDF). Sailing Directions. United States National Geospatial-Intelligence Agency. 2017. p. 300.