Patriarchate of Seleucia-Ctesiphon may refer to:
*the office of the
Patriarch of the Church of the East
The Patriarch of the Church of the East (also known as Patriarch of the East, Patriarch of Babylon, the Catholicose of the East or the Grand Metropolitan of the East) is the patriarch, or leader and head bishop (sometimes referred to as Catholic ...
*the
Patriarchal Province of Seleucia-Ctesiphon
The Patriarchal Province of Seleucia-Ctesiphon was an ecclesiastical province of the Church of the East, with see in Seleucia-Ctesiphon. It was attested between the fifth and thirteenth centuries. As its name entails, it was the province of the ...
, an ecclesiastical province of which the patriarch was metropolitan
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