 Located on the Via Francigena, San Quirico d'Orcia borders the municipalities of Castiglione d'Orcia, Montalcino and Pienza.The "frazione" of Vignoni houses a castle, a residence of the Salimbeni in the 12th century.It includes a top-less tower and a Romanesque church, once housing a crufix by Giambologna, now in the Museum of Montalcino.