Great location.
The not so great- the bathroom is tiny and the shower is a real hazard: it is extremely slippery and a simple bathtub matt can reduce the risk of someone falling and breaking their neck. The small fridge is not cooling all that much, it should be upgraded with something built this century. There is no washer and dryer in the apartment. No dining table.
The biggest issue is for folks arriving by car - it’s impossible to access the apt and unload/load suitcases. You are having to lug baggage on hilly cobbled streets. If one is traveling light and using cabs that won’t be a problem. If you are family with kids or someone having a rental car that’s a real pain.
The AC works reasonably well to cool the space. However it is so loud that you can’t keep it on at night. It is a window unit as the building does not have central AC.
Not to be too picky but these are things that really affected our stay.
the location would work well for a single traveler or a couple who value location above all else.