I lived in the apartment in Zirkusgasse for almost 2 months; after an initial misunderstanding, resolved promptly and with great kindness I can say that I spent a lovely stay.
The apartment is modern, clean, close to the city center and well connected by public transport to the rest of the city, supermarkets within walking distance.
Everything perfect, thanks also to the kindness of Robert's team.
I hope to come back.