We were scared by Naples at first, but maybe we didn't see the real inner part of the city.
Driving to Naples from Amalfi, the streets of Naples was a little bit in disorder to us. The apartment we booked was in a small lane near the port. The location was great, but the neighbor seemed unsafe. The buildings looked old (not in a good way) and poorly preserved. Few people walked outside. I knew that was because we arrived at night. So I thought it was okay. Besides, the inside of the apartment was acceptable.
