The Diocese of Bielsko-Żywiec was established by Pope John Paul II by the bull Totus Tuus Poloniae populus on 25 March 1992 from a designated territory of the Archdiocese of Krakow (deaneries: Andrychów, Bielsko, Kęty, Oświęcim, Żywiec I, Żywiec II) and of the Diocese of Katowice (deaneries: Bielsko-Biała centre, Bielsko-Biała west, Cieszyn, Czechowice, Istebna, Skoczów, Strumień, Wisła).