Church of St. Catherine (Saint Petersburg) - Credit: Wikimedia Commons
The Catholic Church of St Catherine () in St. Petersburg is the oldest Catholic church in the Russian Federation, and the only church with the title of basilica (status granted on 23 July 2013). It is located on the Nevsky Prospekt and is a part of the Archdiocese of Moscow headed by Msgr. Paolo Pezzi. Read more on Wikipedia
Source: en.wikipedia.org