The Republic of Guinea-Bissau is a country in western Africa, and one of the smallest states in continental Africa. It is bordered by Senegal to the north, and Guinea to the south and east, with the Atlantic Ocean to its west. Its size is nearly 37,000 square kilometres (14,000 sq mi) with an estimated population of 1,600,000. Formerly the Portuguese colony of Portuguese Guinea, upon independence.

The name of its capital, Bissau, was added to the country's name to prevent confusion with the Republic of Guinea. Guinea-Bissau's GDP per capita is one of the lowest in the world.