Gan-ya place is very nice for the price, we weren’t able to meet her but she was still readily available to help us with anything we needed. Not too far away from the center, there was a U-bahn about 3 minutes walk up the road that connected to all the major sights, as well as a super market. Kitchen available so we could make a light breakfast before doing some sight seeing. She responded very quickly to our questions, and gave us plenty of advice about places it see and places to eat in Vienna. I would highly recommend her place for any couple visiting Vienna !