Administrative divisions of Algeria
Algeria is divided into 48 first-level administrative divisions:
Largest cities in Algeria
| # | City | Population |
|---|---|---|
| 1 | AlgiersCapital | 2,364,230 |
| 2 | Oran | 803,329 |
| 3 | Constantine | 448,028 |
| 4 | Annaba | 342,703 |
| 5 | Blida | 331,779 |
| 6 | Batna | 289,504 |
| 7 | Djelfa | 265,833 |
| 8 | Sétif | 252,127 |
| 9 | Sidi Bel Abbes | 210,146 |
| 10 | Biskra | 204,661 |
Algiers is the largest city in Algeria with about 2,364,230 people. All 36 largest cities of Algeria →
Terrain, rivers & lakes
Highest terrain in Algeria: ≈ 2,709 m — read from the global elevation model, so summit heights are approximate. The physical map paints elevation bands from green lowlands to brown highlands.
No major named rivers or lakes are mapped for Algeria at this map scale.
Ethnic groups in Algeria
Arab-Amazigh 99%, European less than 1%
Regionally, Arab-Amazigh is the most common ethnic group across most of the 48 divisions.
Source: CIA World Factbook · regional dominance compiled by Glostats from censuses and surveys
Religions in Algeria
Muslim (official; predominantly Sunni) 99%, other (includes Christian, Jewish, Ahmadi Muslim, Shia Muslim, Ibadi Muslim) <1% (2012 est.)
Regionally, Muslim is the most common religious group across most of the 48 divisions.
Source: CIA World Factbook (2012 est.) · regional dominance compiled by Glostats from censuses and surveys
Languages in Algeria
Arabic (official), French (lingua franca), Tamazight (official) (dialects include Kabyle (Taqbaylit), Shawiya (Tacawit), Mzab, Tuareg (Tamahaq))
Regionally, Arabic is the most common language group across most of the 48 divisions, while Tamazight predominates in 7 divisions (Tizi Ouzou, Béjaïa, Bouira, Batna, Khenchela, Illizi, …).
Source: CIA World Factbook · regional dominance compiled by Glostats from censuses and surveys
Explore more
Nigeria
Ethiopia
Egypt
DR Congo
Tanzania
South Africa
Kenya
SudanSources: boundaries, cities, rivers and lakes from Natural Earth (public domain, 1:10m); elevation from the AWS Open Data terrain tiles (SRTM/GMTED); ethnic, religious and language shares from the CIA World Factbook; regional dominance compiled by Glostats from national censuses and surveys. Page generated 2026-10-20. More about our data.