EN
The article presents the way in which the cult of saint Josaphat Kuncewicz was popularized in the Greek Catholic eparchy of Przemyśl by bishop Josaphat Kocyłowski during his pastoral service (1917–1946). The figure of saint Josaphat was important due to the problems of greek catholics at that particular time of the crisis of the Catholic identity World War I, of the activity of different religious sects and conversions to the Orthodox Church on Lemkivshchyna. The paper also answers the question of how the cult of saint Josaphat was linked both with the building of Ukrainian national identity by the Greek Catholic Church and to the modernization of dioeceseal service of Mgr Kocylowski.