Regions of Bihać and Bosanski Petrovac also belonged to that newly formed eparchy.

Arrangements with the Ecumenical Patriarchate of Constantinople were made, and the canonical process of unification was completed in 1920.

In 1931, when Serbian Orthodox Church adopted its Ecclesiastical Constitution, process of reorganization of eparchies was initiated and their number was reduced.

In 1990, upon the requests of the Eastern Orthodox Serbs from the region, eparchy was restored by the Holy Assembly of the Serbian Orthodox Church, under the new name: Eparchy of Bihać and Petrovac, with seat in Bosanski Petrovac.

[4] In 2017, he was transferred to the Eparchy of Mileševa, and Sergije Karanović was elected new bishop of Bihać and Petrovac.