Gianlorenzo’s place is quite close to a lot of attractions that visitors will likely want to see, including the Testaccio market (and surrounding neighborhood), Trastevere (20-25 minute walk), the Colosseum (20 minute walk) and Vatican City (about 40 minutes via public transit). The flat is less than a ten minute walk from the metro, so getting to parts of the city that are further away is very easy. Gianlorenzo was friendly and helpful, and the space was quiet and clean. I would book this place again.