Nice apartment, clean, everything what’s needed is there; Artem answered my messages very quickly and he was nice. It’s in a suuper nice area of Vienna! 10th district, near to the central train station, Belvedere, Schweizergarten (...) in a couple of steps you can reach the 4th district, a very urban area and recommended for young adults. There is a bus station a couple of minutes away by foot, with this line you get to the city centre in (I’d say) 10-15 min.
Really worth the visit and stay! :)