Martyropolis is a Titular See of early Christianity, in what was Roman province of Mesopotamia Superior, now located in Modern Turkey.
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The diocese was centered on Silvan, Diyarbakır in the province of Mesopotamia.
Zennebus,
Maruthas fl.383-420.
The diocese was nominally restored when a Latin (Roman Rite) titular bishopric was established under the name Martiria, of the lowest (episcopal) rank. Around 1830 it was renamed Martyropolis, and in 1932 it was promoted to titular archdiocese.
It is vacant since 1967, having had the following incumbents . TO BE ELABORATED
Titular Bishops of Martiria
Luis Norman (Horman), Friars Minor (O.F.M.) † (17 July 1560 Appointed - )
Angelus Pereira, Carmelite Order (O. Carm.) † (15 May 1600 Appointed - 21 June 1614 Died)
Cristovão de Almeida, *O.S.A. † (16 Nov 1671 Appointed - 26 Oct 1679 Died)
Jan Mikolaj Zgierski † (2 Jan 1696 Appointed - 25 Jan 1706 Appointed, Bishop of Smolensk)
Francesco Martinengo † (19 Oct 1711 Appointed - 25 March 1746 Died)
Fabian Franziszek Plaskowski † (25 May 1750 Appointed - 18 Feb 1784 Died)
Josephus Korytkowski † (26 Sep 1785 Appointed - 11 June 1790 Died)
Michal Mateusz Kosmowski, *C.R.L. † (26 Sep 1791 Appointed - 11 Oct 1804 Died)
Titular Bishops of Martyropolis:
John Charles Prince † (5 July 1844 Appointed - 8 June 1852 Appointed, Bishop of Saint-Hyacinthe, Québec)
Joseph William Hendren, O.F.M. † (25 Feb 1853 Appointed - 14 Nov 1866 Died)
Joaquín Larraín Gandarillas † (31 Dec 1877 Appointed - 15 June 1893 Appointed, Titular Archbishop of Anazarbus)
Gusztáv Károly Majláth † (26 March 1897 Appointed - 28 June 1897 Succeeded, Bishop of Transilvania, Erdély, Siebenbürgen)
José Ramón Astorga Salinas † (22 June 1899 Appointed - 3 Dec 1906 Died)
António Alves Ferreira † (19 Dec 1907 Appointed - 2 July 1911 Succeeded, Bishop of Viseu)
Gyözö Horváth † (26 March 1912 Appointed - 19 Dec 1944 Died)
Titular Archbishops of Martyropolis
(Chaldean) Yousef VII Ghanima † (29 April 1946 Appointed - 21 June 1948 Confirmed, Patriarch of Babylon of the Chaldeans (Iraq) ([1947.09.17] 1948.06.21 – 1958.07.08)
Basil Vladimir Ladyka, * O.S.B.M. † (21 June 1948 Appointed - 1 Sep 1956 Died)
João Resende (Rezende) Costa, S.D.B. † (19 July 1957 Appointed - 15 Nov 1967 Succeeded, Archbishop of Belo Horizonte, Minas Gerais)
A titular see of the Syrian Catholic (Antiochian Rite) church was also established, but suppressed in 1929, without a single recorded incumbent.
