The city of Bamberg lies in northern Bavaria in the upper Franconia region along the Regnitz river. Bamberg has a rich cultural heritage and an impressive architecture, not having been destroyed during World War II and has been a UNESCO world heritage site since 1993. The city was first mentioned in 902 AD and developed substantially in the subsequent centuries. Bamberg has a number of sights, including the cathedral, the Neue Residenz, the Old Town Hall and the Klein Venedig waterfront area along the Regnitz river.