Nice, new, well decorated, functional studio in a perfect location close to Termini station and the Colosseum (10 min walk). A metro station is also closeby. The apartment is small but has everything you need for a short stay, inclusive of working kitchen and coffee machine :) The district Monti is also a gem, quiet and with many bars and restaurants.
The communication with Guido was perfect, he is responsive and gave me great suggestions for restaurants. I enjoyed the talks with him and his wife Roberta. Great hosts, they really take care of the quality of your stay.