Algeria ( / (; ) listen : Arabic الجزائر , al-Jazā'ir Algerian Arabic الدزاير ; al-dzāyīr : French Algérie), officially the People's Democratic Republic of Algeria, is a country in the region of Maghreb and North . The capital and most populous city is West Africa , located in the far north of the country on the Algiers . With an area of 2,381,741 square kilometres (919,595 sq mi), Algeria is the Mediterranean coast , and the largest in tenth-largest country in the world . Africa Algeria is bordered to the northeast by  , to the east by Tunisia , to the west by Libya , to the southwest by the Morocco territory, Western Saharan , and Mauritania , to the southeast by Mali , and to the north by the Niger . The country is a Mediterranean Sea consisting of 48 provinces and 1,541 communes (counties). semi-presidential republic
Ancient Algeria has known many empires and dynasties, including ancient
, Numidians , Phoenicians , Carthaginians , Romans , Vandals , Byzantines , Umayyads , Abbasids , Idrisid , Aghlabid , Rustamid , Fatimids , Zirid , Hammadids , Almoravids , Almohads , Spaniards and the Ottomans . French colonial empire are the indigenous inhabitants of Algeria. Berbers
Algeria is a
and regional . It supplies large amounts of middle power to Europe, and energy exports are the backbone of the economy. According to natural gas Algeria has the OPEC oil reserves in the world and the second largest in 16th largest , while it has the Africa of 9th largest reserves . natural gas , the national oil company, is the largest company in Africa. Algeria has one of the largest militaries in Africa and the largest defence budget on the continent; most of Algeria's weapons are imported from Sonatrach , with whom they are a close ally. Russia  Algeria is a member of the  , the African Union , Arab League , the OPEC and is a founding member of the United Nations . Arab Maghreb Union
The country's name derives from the city of
. The city's name in turn derives from the Arabic Algiers ( al-Jazā'ir الجزائر, "The Islands"), a truncated form of the older  ( Jazā'ir Banī Mazghanna جزائر بني مزغنة, "Islands of the Mazghanna Tribe"),   employed by medieval geographers such as  .
srpskohrvatski / српскохрватски: