Frank's flat is in great location, within walking distance from Roma Termini and the main sights. The metro also stops around the corner for when you get tired of walking. Although we ended up staying in a different room than we had booked (they have several similar ones in the building) we enjoyed our stay. The room was comfortable and clean, and comes with its own bathroom down the hall. We arrived late but this wasn't a problem for the check-in, and we could leave our bags in the flat until we left, which was very convenient. There is also a great place for breakfast around the corner called Panella - definitely worth a visit!