For a long time historical Transcarpathia made part of the various countries. In a foreign cultural environment the local church developed a unique system of relations with the state, keeping intact the ritual-liturgical foundations, including Slavonic language. The article focuses on the reform of the Galician Basilians in Subcarpathian Rus, whose activity caused a collision of Ukrainian, Hungarian and Romanian nationalisms. It explores the particular ways of using the structures of the Basilian Order by the Galician monks for designing the Ukrainian identity in the region.