Erected in 1000 as the suffragan diocese of the Metropolitan Archdiocese of Gniezno. Pope Pius XI raised it to the rank of an archdiocese on 28 October 1925. Pope John Paul II introduced territorial changes on 25 March 1992. The metropolitan see is Krakow with the Archdiocesan Cathedral of St. Stanislaus and St. Wenceslaus. The patron saints of the archdiocese are St. Stanislaus, bishop and martyr, St. Casimir, royal prince, St. Hyacinth, presbyter, and St. John Cantius, presbyter.