Giovanna's place in Trastavere is really conveniently located near Piazza Trilussa so you can easily walk over the Sisto Bridge into the center of Rome in the evenings. Communication was excellent and Gio can arrange for a driver to meet you at the airport. Many places to eat but should try the pizza at La Boccaccia which has a wide variety of pizzas by the square available throughout the day including a lot of vegetarian options. I also recommend hiking/walking the Passeggiata Del Gianicolo from Trastavere to Vatican City (about a 45 min walk) which gives you great views from the hills overlooking Rome.