Formosa (Guinea-Bissau)
| Geography | |
|---|---|
| Coordinates | 11°29′N 15°58′W / 11.483°N 15.967°W | 
| Archipelago | Bissagos Islands | 
| Area | 140 km2 (54 sq mi) | 
| Administration | |
| Guinea-Bissau | |
| Region | Bolama | 
| Demographics | |
| Population | 1,873 (2009) | 
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 it is 10 km across at its widest. 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.