Ukrainian Catholic Eparchy of Lutsk–Ostroh

The Ukrainian Catholic Eparchy of Lutsk–Ostroh (Lutsk–Ostroh of the Ukrainians) was thrice an eparchy (Eastern Catholic diocese) of the Ukrainian Greek Catholic Church (Byzantine Rite in Ukrainian language) in part of the Polish–Lithuanian Commonwealth (1594-1636, 1702-1795 and 1789-1839) and later an Eastern Catholic titular see (1921-73) 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.

Ukrainian Catholic Eparchy of Lutsk–Ostroh

The Ukrainian Catholic Eparchy of Lutsk–Ostroh (Lutsk–Ostroh of the Ukrainians) was thrice an eparchy (Eastern Catholic diocese) of the Ukrainian Greek Catholic Church (Byzantine Rite in Ukrainian language) in part of the Polish–Lithuanian Commonwealth (1594-1636, 1702-1795 and 1789-1839) and later an Eastern Catholic titular see (1921-73) 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.