Ecclesiastical province of Alger

• Metropolitan Roman Catholic Archdiocese of Alger; united with the titular see of Iulia Caesarea (Ancient bishopric at Alger)
  • suffragan Roman Catholic Diocese of Constantine; united with the titular see of Hippo (Regius) (Ancient bishopric at Constantine)
  • suffragan Roman Catholic Diocese of Oran

Exempt

(Immediately subject to the Holy See)

• Roman Catholic Diocese of Laghouat

• Official Website of the Catholic Church in Algeria
• GCatholic
• "Catholic Church in Algeria". Catholic-Hierarchy.org. David M. Cheney. Archived from the original on 20 February 2023.

• Catholic Church in Algeria