The location is great, everything you need is around you with a walking distance. It's a very alive square, with full of cafes etc. Flat is nice. Even a busy square, when you close the windows in flat , it's completely silent. Harald was very helpful, he gave info about the neighborhood when I arrived flat. He was always ready to help and kind. He immediately helped when I asked for. The period was very hot, so air-conditioner would be useful. The only missing is air-conditioner in the flat for very hot days, which is rare in Vienna.