It's annoying to lose something, but perhaps you're lucky...
Property found in our line traffic buses is stays on the bus for one week and will be then handed on to the Viennese lost-and-found office of MA 48:
Zentralfundservice MA 48
Lost & Found Hotline: +43 (0)1 40 00 80 91
Property lost in our charter buses is handed in to the Blaguss bus centre which is located in the 23rd district of Vienna.
In case you have lost something, please call: +43 (0)50655-0.