Rocca d'Orcia is a village in Tuscany, central Italy, administratively a frazione of the comune of Castiglione d'Orcia, province of Siena. At the time of the 2001 census its population was 47. Popolazione residente - Siena (dettaglio loc. abitate) - Censimento 2001 , Istat.
Rocca d'Orcia is about 43 km from Siena and 1 km from Castiglione d'Orcia.
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