We stayed for just one night at Pierangelo's apartment. There are two airbnbs that share the front entrance but we did not see the other guests during our stay. The location is very central, right by the Missori metro stop (it may show up incorrectly on Google maps), a short ride to all train stations, and also walking distance to the Duomo and the rest of the city center. Pierangelo was very responsive regarding check in and provided many recommendations for the city. The weather was much cooler than other places we stayed in Italy so we were able to sleep ok with the fan in the room (there's no AC). Great value for a short stay.