List of Catholic dioceses in Chad The Roman Catholic Church in Chad is composed of 1 ecclesiastical province with 6 suffragan dioceses. List of Dioceses[edit] Episcopal Conference of Chad[edit] Ecclesiastical Province of N'Djamena[edit] Archdiocese of N'Djamena Diocese of Doba Diocese of Goré Diocese of Lai Diocese of Moundou Diocese of Pala Diocese of Sarh Immediately subject to the Holy See[edit] Apostolic Vicariate of Mongo External links[edit] Catholic-Hierarchy entry. GCatholic.org.