We had a great time in Rome and Giacomo's place.
The hosts were very welcoming and hospitable and offered some tips and extra attention if we needed information on public transport, for example. The hosts can make themselves clear in English, so their language is more than sufficient. They added true value to our experience in Rome!
The room is situated in a nice neighborhood, with a lounge bar and a coffee/breakfast bar on the ground floor. There is a bus station right in front of the flat to connect you to other lines which lead to Rome's historical sites. The flat is situated on the river Tiber, making geographical orientation easy. Moreover, the flat is on a 5-10 min walking distance from the large Trastevere station, so it is easily reachable. The beautiful and lively neighborhood of Trastevere is on a 20 min walking distance.
The room and apartment is sober and somewhat minimalistic, but it has every practical facilitation you need.
All in all we had a more than comfortable stay here, thanks to the hosts :).