abstract:The Ukrainian Greek Catholic Church (UGCC) (Українська Греко-Католицька Церква (УГКЦ), Ukrains'ka Hreko-Katolyts'ka Tserkva), is the largest Eastern Rite Catholic sui juris particular church in full communion with the Holy See. The Primate of the Church holds the office of Archbishop-Major of Kiev-Halych and All Rus, though the hierarchs of the church have acclaimed their primate "Patriarch" and have requested Papal recognition of, and elevation to, this title.