The Catholic Church in Algeria is part of the worldwide Catholic Church, under the spiritual leadership of the Pope in Rome.
Catholic Church in Algeria Wikipedia
The country is divided into four Latin dioceses, including one archdiocese.Ecclesiastical province of Alger
Metropolitan Archdiocese of Alger
Diocese of Constantine
Diocese of Oran
Diocese of Laghouat (Immediately subject to the Holy See)
During French colonial rule, the Catholic population of Algeria peaked at over one million, but most of these left following Algeria's independence in 1962. There are now about 45,000 Catholics residing in the country.