Apostolic vicariate
The Archiepiscopal Exarchate of Lutsk (Lutsk of the Ukrainians) is an Archiepiscopal Exarchate (rare Eastern Catholic pre-diocesan jurisdiction, comparable to a Patriarchal exarchate, Apostolic exarchate or Latin Apostolic vicariate; both other cases are also Ukrainian Catholic) in Ukraine of the Ukrainian Greek Catholic Church (Byzantine Rite in Ukrainian language).