Algeria is divided into 48 provinces (wilayas), 553 districts (daïras) and 1,541 municipalities (baladiyahs). Each province, district, and municipality is named after its seat, which is usually the largest city. According to the Algerian constitution, a province is a territorial collectivity enjoying some economic freedom.
Algeria, a North African country with a vast and varied landscape, relies on multiple sources for its water supply. The country's primary sources of water include: