Official nameRepública de Angola (Republic of Angola)CapitalLuandaPopulation estimate (2015)25·02 millionInternet domain extension.aoCurrencyThe kwanza (AOA) was introduced in December 1999.TerritoryAngola is bounded in the north by the Republic of the Congo, north and north-east by the Democratic Republic of the Congo, east by Zambia, south by Namibia and west by the Atlantic Ocean.LanguagesPortuguese is the official language. Bantu and other African languages are also spoken.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words