The flat is very clean and the situation is perfect : near to the harbour (15 minutes) to take a boat to Capri, near a big station to take the train to Peompei or Sorrento (15 minutes) and right in the middle of the historical center.
The big plus is that Giusi is a touristic guide and gave us advices for all the destinations we wanted to visit. She is lovely and very helpful! We had a perfect week in Naples thanks to Giusi.