Ukrainian Catholic Eparchy of Lutsk–Ostroh


The Ukrainian Catholic Eparchy of Lutsk–Ostroh was thrice an eparchy of the Ukrainian Greek Catholic Church in part of the Polish-Lithuanian Commonwealth and later an Eastern Catholic titular see but was abolished even as such. It was converted by joining the Union of Brest along with eparchies of Kiev, Polotsk, Pinsk, Kholm and Volodymyr.
Remarkably, its Latin title always called it 'Ruthenenian', which is now a distinct Byzantine rite Eastern Catholic particular church sui iurus.

History

;Suffragan Eparchs of Lutsk–Ostroh