The Ukrainian Greek Catholic Church is a major Eastern Catholic church based in Ukraine that follows the Byzantine tradition and traces its history to the Christianization of Kyivan Rus'.
The Greek Catholic Eparchy of Mukachevo belongs to jurisdiction of the Ruthenian Greek Catholic Church rather than the Ukrainian Greek Catholic Church.
The Ukrainian Greek Catholic Church moved its administrative center from Western Ukrainian Lviv to a new cathedral in Kyiv on 21 August 2005. The title of the head of the UGCC was changed from The Major Archbishop of Lviv to The Major Archbishop of Kyiv and Halych.
The Patriarchal Curia of the Ukrainian Greek-Catholic Church is an organ of Sviatoslav Shevchuk, the head of the UGCC, Major Archbishop of Kyiv and Halych, which coordinates and promotes the common activity of the UGCC in Ukraine to make influence on society in different spheres: education, policy, culture, etc. The Curia develops action of the Church's structures, enables relations and cooperation with other Churches and major public institutions in religious and social areas for implementation of the Social Doctrine of the Catholic Church through everyday life.
In 2011 the church introduced territorial subdivisions in Ukraine, metropolia. A metropolitan bishop, an archbishop of main archeparchy, may gather own metropolitan synod, decisions of which shall be approved by the Major Archbishop.
This is a list of the eparchies of the church that are subject to the Major Archbishop:

Eparchies subject to the Major Archbishop without being in his metropolis:
This is a list of eparchies of the church that are exempt (i.e. directly dependent on the Holy See):
As of 2014, the Ukrainian Greek Catholic Church is estimated to have 4,468,630 faithful, 39 bishops, 3993 parishes, 3008 diocesan priests, 399 religious-order priests, 818 men religious, 1459 women religious, 101 deacons, and 671 seminarians.
List of orders and congregations
Source: Image from Wikimedia Commons by Unknown author. Licensed under CC BY-SA 4.0.
Source: Intro adapted from the Wikipedia article "Ukrainian Greek Catholic Church". Licensed under CC BY-SA 4.0.
Source: Structure section text copied verbatim from the Wikipedia article "Ukrainian Greek Catholic Church". Licensed under CC BY-SA 4.0.