The apartment was exactly as described. We did not have the chance to meet Salvatore but his informations were clear on how to get the key and how to find his place.
The apartment is very well located if you enjoy walking: every interests sites is within a max. 20 minutes walk. Grocery store (Billa), and casual places to eat or drink are also one step away. The kitchen is well furnished for cooking, some spices are provided as well!

When we where in Wien, weather was extremely hot and humid. We would have appreciate AC and the small fan provided was not enough to refresh the room. Other than that, we would definitely recommend and even go back to Salvatore's place if ever again in Wien.