Algeria is currently divided into 48 wilayas, or provinces. The administrative divisions have changed several times since independence. Currently (since 1983) they are:

1. Adrar
2. Ain Defla
3. Ain Temouchent
4. Alger
5. Annaba Province
6. Batna
7. Bechar
8. Bejaia
9. Biskra
10. Blida
11. Bordj Bou Arreridj
12. Bouira
13. Boumerdes
14. Chlef
15. Constantine
16. Djelfa
17. El Bayadh
18. El Oued
19. El Tarf
20. Ghardaia
21. Guelma
22. Illizi
23. Jijel
24. Khenchela
25. Laghouat
26. Muaskar
27. Medea
28. Mila
29. Mostaganem
30. M'Sila
31. Naama
32. Oran
33. Ouargla
34. Oum el Bouaghi
35. Relizane
36. Saida Province
37. Setif
38. Sidi Bel Abbes
39. Skikda
40. Souk Ahras
41. Tamanghasset
42. Tebessa
43. Tiaret
44. Tindouf
45. Tipaza
46. Tissemsilt
47. Tizi Ouzou
48. Tlemcen

1954-1962

During the Algerian War of Independence, the FLN adopted an organizational system divided by 6 numbered wilayas:

1. Aures
2. Constantine
3. Kabylie
4. Algiers
5. Oran
6. Sahara

with France sometimes described as a "wilaya 7".

1962-1974

Immediately after independence, Algeria retained its 15 colonial administrative divisions for the most part, with some name changes:

1. Algiers
2. Annaba
3. Aures
4. Constantine
5. El Asnam
6. Medea
7. Mostaganem
8. Oasis (El Wahat)
9. Oran
10. Saïda
11. Saoura
12. Setif
13. Tiaret
14. Tizi-Ouzou
15. Tlemcen

1974-1983

The 15 wilayas were reorganized to form 31:

1. Adrar
2. Algiers
3. Annaba
4. Batna
5. Béchar
6. Béjaïa
7. Biskra
8. Blida
9. Bouira
10. Constantine
11. Djelfa
12. El Asnam
13. Guelma
14. Jijel
15. Laghouat
16. Mascara
17. Médéa
18. Mostaganem
19. M'Sila
20. Oran
21. Ouargla
22. Oum el Bouaghi
23. Saïda
24. Sétif
25. Sidi Bel Abbès
26. Skikda
27. Tamanrasset
28. Tébessa
29. Tiaret
30. Tizi-Ouzou
31. Tlemcen