We stayed here for 1 week and all in all we were satisfied. It is a very good airbnb if you plan to visit a lot and only need a nice place to sleep and shower, although they also have a nice living room and kitchen.
If you have a heavy luggage, I would really recommend to take a taxi to get there because there are a lot of steps you need to carry your luggage up since the appartment is located on a hill. Without luggage it's not a problem though, the location is very central and you can reach everything by foot.