Marie-Thérèse is a wonderful host, very welcoming, she received us with many informations and advice.
The flat is very warm, close from the historical center of the city (15 minutes walking). There is a large and well-decorated living room with a nice mezzanine.
The area is quiet and the flat close from the Danube canal, perfect for a sunny walk.
I totally recommend Marie-Thérèse's flat (and her hospitality!).