Catherine's house is such a wonderful place. I really enjoyed staying in her house. The room was big enough for me to use alone, and she allowed to use her towels and kitchen, which was so nice of her. Also her room is filled with her artistic feelings, and being surrounded in such an artistic room was a fantastic experience for me. Catherine's house is near the downtown, and it's even walkable if you are willing to walk a bit. Overall her house is very very clean, comfortable, and safe. You can't say the bed is very comfortable, but it was okay enough.
Catherine also provided me with a little guide document that she made, and those places were fantastic. I am planning to visit Vienna once again in spring, and I am definitely willing to stay in her place again. Thanks Catherine:-)