Calpurnia house is about 10 minutes walk to the colloseum. It is located on the ground floor of an apartment building. The apartment itself is spacious. We stayed 3 people , but it can accompdate 5 people easily. It has a nice kitchen and bathroom. The apartment is new and well maintained. The only problem is humidity in the apartment. We were very happy with our stay and I would recommend the place to people visiting rome.