The Diocese of Gorzów was created as an apostolic administration in 1945. Erected on 28 June 1972 by Pope Paul VI. As of 25 March 1992 is has been known as the Diocese of Zielona Góra-Gorzów, under the decision of Pope John Paul II in the bull Totus Tuus Poloniae populus. The capital of the diocese is Zielona Góra with the Cathedral of the Assumption of the Blessed Virgin Mary in Gorzów Wielkopolski and the Co-Cathedral of St. Hedwig of Silesia in Zielona Góra.