At the initiative of the Council of Europe, the European Day of Languages is celebrated in Europe every year on 26 September. There are so many amazing events going on all over Austria, that it will be hard to decide where to go. To make the decision even harder, check out this list of exciting events taking place on the 26th  http://edl.ecml.at/Events/EventsDatabase/tabid/1772/language/en-GB/Default.aspx
You could definitely meet British Council Austria at its stand in Hauptbuecherei Wien https://www.buechereien.wien.at/de/programm/veranstaltungskalender/3860 and at the beautiful EUNIC event "The Little Prince's Journey through the European languages". http://austria.eunic-online.eu/?q=content/little-princes-journey-through-european-languages


19.09.2016