Roberto's studio is near the railway central station (Roma Termini) in a tranquil, safe and accessible neighborhood. Bus, trams and Metro stops are close, so even if Rome is best visited on foot, you are less than 10 minutes away from the top touristic attractions. Of course, Rome has much more to offer and I will recommend bike or vespa renting.
Roberto is a perfect Roman and discreet gentleman who pampers his guests. A fruit plater and a box of Italian sweets welcome you and the kitchenette is fully loaded with coffee, tea, milk, orange juice and anything else needed for a breakfast. There is plenty of literature about the city so you don't need to bring a guidebook or a map with you. Room is clean and fresh (and nicely decorated), the beding is a futon and you can even use the washing machine. A triple glass window will eliminate any sound disturbance from the outside.
Roberto's place is perfect for a short stay when visiting Caput Mundi. Definitely to be recommended.

PS: Not far away is the oldest Roman gelateria "Palazzo del Freddo-Giovanni Fassi". Not to be missed !