Official nameRépublique de Guinée (Republic of Guinea)CapitalConakryPopulation estimate (2015)12·61 millionInternet domain extension.gnCurrencyThe unit of currency is the Guinean franc (GNF).TerritoryGuinea is bounded in the north-west by Guinea-Bissau and Senegal, north-east by Mali, south-east by Côte d'Ivoire, south by Liberia and Sierra Leone, and west by the Atlantic Ocean.LanguageThe official language is French.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words