São Tomé and Príncipe, officially the Democratic Republic of São Tomé and Príncipe, is a Portuguese-speaking island nation in the Gulf of Guinea, off the western equatorial coast of Africa. It consists of two islands: São Tomé and Príncipe, located about 140 kilometres (87 mi) apart and about 250 and 225 kilometres (155 and 140 mi), respectively, off the northwestern coast of Gabon. São Tomé and Príncipe are located between the islands of Annobón and Bioko, both part of Equatorial Guinea. The nation is divided into seven districts, six on São Tomé and one on Príncipe. Its capital is the city of São Tomé.