George Slatkonia was a Carniolan choirmaster and the first residential Bishop of Vienna. He was also the first owner of an ex libris among the Slovenes. His coat of arms contained a golden horse, based on a false etymology of his surname.

The Archbishop of Vienna is the prelate of the Roman Catholic Archdiocese of Vienna who is concurrently the metropolitan bishop of its ecclesiastical province which includes the dioceses of Eisenstadt, Linz and St. Pölten.