Created on 13 March 1786 by Pope Pius VI. Dissolved by Pope Pius VII on 13 June 1805. Re-installed by the same pope on 20 September 1821 as the Diocese of Tyniec, in 1826 resumed its former name. The most recent territorial changes were introduced by Pope John Paul II on 25 March 1992. The capital of the diocese is Tarnów with the Cathedral of the Nativity of the Blessed Virgin Mary.