Apostolic Vicariate of Heliopolis of Egypt
The Apostolic Vicariate of Heliopolis (of Egypt) (originally of the Nile Delta) was a Catholic missionary pre-diocesan jurisdiction of the Latin Church in northern Egypt. It was exempt, i.e. directly subject to the Holy See, not part of any ecclesiastical province. History. Established on 25 January 1886 as Apostolic Prefecture of the Delta of the Nile (Curiate Itaian Delta del Nilo), on territory split off from the northern part of the Apostolic Vicariate of Egypt. Augustin Duret was appointed Prefect Apostolic, and wrote an article about the Prefecture for the "Catholic Encyclopedia". Promoted  on 17 September 1909 as Apostolic Vicariate of the Nile Delta; Duret was named titular bishop of Bubastis. Renamed on 27 January 1951 as Apostolic Vicariate of Heliopolis of Egypt after its see, Heliopolis, a suburb of Egyptian national capital Cairo. On 30 November 1987, it was United with (i.e. merged in, yet remaining a title of) the Latin Apostolic Vicariate of Alexandria of Egypt. Its former cathedral episcopal see, Our Lady of Heliopolis in that suburb of the Egyptian national capital Cairo, remains a Co-cathedral of the vicariate.