Very well located apartment, near from Fontana di Trevi and Pantheon (15min walking), near a subway station and with good options of restaurants nearby (we liked Diadema, really nice and has good prices).
The room is big and beautiful, and they have clean service everyday.
Marco and his wife are very nice and helpful, they help us to find a taxi to the airport in our last day.
Definitely is a good option to stay in Rome.