List of Catholic dioceses in Ukraine
Defunct Eastern Catholic
### Defunct Eastern Catholic

* [Ukrainian Catholic Eparchy of Lutsk–Ostroh](/wiki/Ukrainian_Catholic_Eparchy_of_Lutsk%E2%80%93Ostroh "Ukrainian Catholic Eparchy of Lutsk–Ostroh")
* [Ukrainian Catholic Eparchy of Volodymyr–Brest](/wiki/Ukrainian_Catholic_Eparchy_of_Volodymyr%E2%80%93Brest "Ukrainian Catholic Eparchy of Volodymyr–Brest")
* [Ukrainian Catholic Eparchy of Zboriv](/wiki/Ukrainian_Catholic_Eparchy_of_Zboriv "Ukrainian Catholic Eparchy of Zboriv")
* [Ukrainian Catholic Apostolic Exarchate of Volhynia, Polesia and Pidliashia](/wiki/Ukrainian_Catholic_Apostolic_Exarchate_of_Volhynia%2C_Polesia_and_Pidliashia "Ukrainian Catholic Apostolic Exarchate of Volhynia, Polesia and Pidliashia")
* Ukrainian Catholic [Apostolic Exarchate of Łemkowszczyzna](/wiki/Apostolic_Exarchate_of_%C5%81emkowszczyzna "Apostolic Exarchate of Łemkowszczyzna") (not in Ukrainian territory nor serving Ukrainians, rather [Lemko people](/wiki/Lemko_people "Lemko people"))

What is the significance of the Ukrainian Catholic Eparchy of Volodymyr-Brest?