Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Siena' has mentioned 'Valley' in the following places:
Occurrence Sentence Text Source
Siena is located in the central part of Tuscany, in the middle of a vast hilly landscape between the Arbia river valley (south), the Merse valley (south-west), the Elsa valley (north), the Chianti hills (north-east), the Montagnola Senese (west) and the Crete Senesi (south-east).
This Tuscan city developed on three hills connected by three major streets forming a Y-shape and intersecting in a valley that became the Piazza del Campo.