We loved our 6 nights here.
The location is absolutely great; we could just sit all day on the balconies and watch life in Napoli go by.
Lots of space and light in the apartment and really high ceilings!
Every point of interest and good restaurants are max. 15 minutes away and some just 2 minutes!
Be aware that there are sounds coming from the square all day and some of the night, especially during weekends, but to us it was just a part of staying in the center of busy Napoli. And at least it wasn’t the cars making noise!
Also the layout of the apartment might not work for everyone, as the rooms are on a string and only the last room is totally private.
But it was not a problem for us as a family!
Would definitely stay here again!