Official nameHagere Ertra (State of Eritrea)CapitalAsmaraPopulation estimate (2015)5·23 millionInternet domain extension.erCurrencyThe nakfa (ERN) replaced the Ethiopian currency, the birr, in 1997.TerritoryEritrea is bounded in the north-east by the Red Sea, south-east by Djibouti, south by Ethiopia and west by Sudan.LanguagesArabic and Tigrinya are the official languages.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words