Uno is one of the Bissagos Islands off the coast of Guinea-Bissau, in the Atlantic Ocean.

The land area is 104 km2 (40 sq mi),[2] with a population of 3,324 (2009).

[1] Uno and the Bissagos Islands are part of the Boloma Bijagós Biosphere Reserve, a UNESCO Biosphere Reserve designated in 1996.

[3] The Uno Sector, part of the Bolama Region, covers Uno and the nearby islands of Eguba, Orango, Unhocomo, Unhocomozinho and Uracane.

[1] This Guinea-Bissau location article is a stub.