This is a very modern apartment conveniently located right outside the non-driving zone, so if you have a car - that’s the closest you can get to the downtown area without violating any city rules.
We had a car and the host provided the parking spot for it. All of the major sites are within walking distance from the place, so we ended up not using the public transportation or our car for the city sightseeing (our car was mostly for driving around Tuscany). The place was very clean, quiet, we loved the window shutters. There was also a booklet with all of the recommendations for dining and other info, which was very helpful.
Finally, the host was very responsive!
Highly recommend!