Diocese of Łódź was erected by Pope Benedict XV on 10 December 1920. Pope John Paul II raised it to the rank of an archdiocese directly subordinate to the Holy See on 25 March 1992. The Metropolitan Archdiocese of Łódź was erected by Pope John Paul II on 24 February 2004. The metropolitan see is Łódź with the Archdiocesan Cathedral of St. Stanislaus Kostka. The patron saint of the archdiocese is St. Joseph, Spouse of the Blessed Virgin Mary.