Orvieto is a city and comune in the Province of Terni, southwestern Umbria, Italy, situated on the flat summit of a large butte of volcanic tuff. The city rises dramatically above the almost-vertical faces of tuff cliffs that are completed by defensive walls built of the same stone.
- Country
- Italy
- Inception
- 700 BC
- Website
- http://www.comune.orvieto.tr.it
