This place is perfectly situated in central Rome - right by the Campo Dei Fiori. Carlo's apartment is small and comfortable, and very cool despite the Roman summer heart. Carlo was there to greet me and show me how everything worked. I know Rome quite well, so didn't need any suggestions, but he knows all the best places to eat in town.
The apartment is great and has everything you need. I would definitely stay here again and I probably will very soon!