Greek Catholic Church, religious community founded by the West Ukrainians (called Ruthenians in the Austro-Hungarian Empire) living in Galicia and Lodomeria; though Catholic in faith, it uses the Byzantine rite and the Slavonic liturgical language and has its own hierarchy. Since 1784, its central parish in Austria has been St. Barbara in Vienna (1st district). In 1819 it was subordinated to the Metropolitan Bishop of Lvìv (then Lemberg), in 1935 it became part of the diocese of Vienna. Approx. 4,000 members in Austria (1995).
Literature#W. M. Ploechl, St. Barbara zu Wien, 2 vols., 1975.