The results of searching for "International school": 11 English-speaking places
There are also organizations that speak other languages: Russian.
Bastiengasse 36-38 1180 Wien Austria
Arbeiterstrandbadstraße 130 1220 Wien Austria
Straße der Menschenrechte 1 1220 Wien Austria
Kärntner Ring 5-7 1010 Wien Austria
Panethgasse 6A 1220 Wien Austria
Salmannsdorfer Straße 47 1190 Wien Austria
Josef-Gall-Gasse 2 1020 Wien Austria
Paulinengasse 16 1180 Wien Austria
Sobieskigasse 1 1090 Wien Austria
Van-der-Nüll-Gasse 29 1100 Wien Austria
Karlsplatz 2 1010 Wien Austria