[1][2] On 10 February 1934, it lost territory to establish the Apostolic Administration of Łemkowszczyzna In 1946, Bishop Josaphat Kotsylovsky was arrested and extradited to the USSR, where he died in prison.

In Poland, where the city of Przemysl and a majority of the eparchy was located (a portion was in the Ukrainian SSR), all priests were arrested and given sentences of between four and ten years.

In 1981, a second Vicar-General to the Primate was appointed for Ukrainian Greek Catholics in Poland outside of the traditional boundaries of the Przemysl Eparchy.

[3] On 16 January 1991, it gained back the territory from the suppressed daughter Apostolic Exarchate of Łemkowszczyzna (above, promoted in 1941, de facto defunct since 1947).

On 6 February 2023, the Archeparchy of Przemyśl–Warsaw, as well as the entire metropolis of Przemyśl-Warsaw [pl], taking into account the previous decision of the Ukrainian Greek Catholic Church in Ukraine[4] and the opinion of the Delegates of the Joint Diocesan Council in Porszewice in June 2022, decided to switch [uk] to the Revised Julian calendar from 1 September 2023.