Algiers Algiers ( al-Jazā’ir, Algerian Arabic:Dzayer ( (From kabyle pronunciation), Kabyle:Dzayer or Dzayer tamaneγt, ) is the capital and largest city of Algeria, and the second largest city in the Maghreb (after Casablanca). According to the 1998 census, the population of the city proper was 1,519,570 and that of the urban agglomeration was 2,135,630.