I loved visiting the city. I did this as part of a larger tour and got to spend a number of hours walking around - but I barely scratched the surface of what there was to actually see. I'll be going back again some day.
All in all, a great place and well worth the visit. A beautiful place - very scenic and the history of the place is so very sad and yet incredibly well preserved.
Please keep a couple of things in mind if you are going to visit;