Marcella is an excellent host. She met us at the apartment after our train was delayed with a bottle of wine! The apartment is in a great and trendy neighborhood of Rome. It is centrally located and walking distance to all the major tourist attractions in the city but with much fewer tourists than you'd find in other parts of the city. A few great restaurants are literally right outside the front door, like Etabli, which is recommended by Travel and Leisure.
The only downside was the noise on Saturday night when some of the upstairs neighbors decided to have a party until 5am. Otherwise we loved the location!
We highly recommend the apartment and would love to come back again!