I stayed in Kalouda's apartment for 5 nights with three friends, and really enjoyed the experience. Kalouda was great at getting back to me whenever I had any questions, there weren't any problems and the apartment had all the amenities we needed for a really comfortable and enjoyable stay. The apartment is located very close to several groceries including Lidl, which made it really easy to stick to our budget! We cooked lots and had all the pots and pans we needed, as well as staples like sugar and salt, which was really great. Being able to use the washing machine was also a life saver. The apartment is about a 30 minute walk away from the state opera house and 'central vienna' but it's opposite the tram station so, if, unlike us, you don't enjoy walking, you will still be well connected. The shower was great and the bed in the master bedroom was very comfortable for two people to share. We also loved how bright and light it was. The sofa bed in the living room was less comfortable as it was quite a lot smaller, so I think the apartment would be perfect for three adults, even though it was fine with four. In conclusion, Kalouda was a great host and overall the apartment was really great. I'd recommend it to anyone.