List of Catholic dioceses in Russia
The Roman Catholic Church in Russia is composed of one ecclesiastical province with three suffragan dioceses.
List of Dioceses
Episcopal Conference of Russia
Ecclesiastical Province of Moscow
Apostolic Prefecture
Crimea
Note that, even though Crimea was annexed by the Russian Federation in March 2014, this is not taken into account by the Catholic hierarchy. The Latin rite Catholics of Crimea therefore belong to the diocese of Odessa-Simferopol which is a suffragan of the archdiocese of Lviv.[1]