We stayed at two different flats in Rome, one in Trastavere when we first got to Italy, and Adele's flat as we were preparing to leave Italy. Adele's flat is by far the one we preferred. She is truly a superhost and accommodated our schedule and arrival time. The flat was immaculate and very contemporarily furnished, very comfortable and cozy, with nice privacy for each bedroom.
Adele provided excellent maps and directions for visiting sites in Rome. We ate at 3 restaurants within a one-minute walk from the flat...all excellent in food taste and service. Grocery shopping is close by as is souvenir shopping. You can use any type of public transportation you want within walking distance, including the train station to anywhere in Italy.
The only downside to this location is that you are able to hear noise from the street even up on the third floor. It is noticeable only while sleeping...not unusual for a big city flat, but slightly annoying nevertheless.