Austria = AT
Carinthia = KA
Burgenland = BU
Lower Austria = NI
Upper Austria = OB
Salzburg = SA
Styria = ST
Tirol = TI
Vorarlberg = VO
Vienna = WI
Salzburg (city) = SZG
St. Pölten = SPO
Eisenstadt = EIS
Graz = GRZ
Innsbruck = INN
Klagenfurt = KLA
Linz = LNZ
Bregenz = BRZ