Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Historic Centre of the City of Pienza' has mentioned 'Siena' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Pienza, located on the crest of a hill overlooking the Val d'Orcia, 53 km south-east of Siena, was established in the medieval period as Corsignano. | UNESCO |