Cannabis October 12, 2016 thcscience_admin The Roman Catholic Church in Burundi is composed of 2 ecclesiastical provinces and 5 suffragan dioceses. List of dioceses[edit] Conference of Catholic Bishops of Burundi[edit] Ecclesiastical Province of Bujumbura[edit] Archdiocese of Bujumbura Diocese of Bubanza Diocese of Bururi Ecclesiastical Province of Gitega[edit] Archdiocese of Gitega Diocese of Muyinga Diocese of Ngozi Diocese of Rutana Diocese of Ruyigi External links[edit] Catholic-Hierarchy entry. GCatholic.org.