 It is bordered to the north by the municipality of Castiglione d'Orcia and the province of Siena, in the east with the same province and the municipality of Abbadia San Salvatore, while to the south and west borders the town of Castel del Piano.With the exception of units of low hill near the beds of rivers, the region extends mainly in hilly and mountainous odds, but good exposure allows the cultivation of a species of olive, "Olivastra Seggianese", called up to elevations of low mountains, managing to produce an oil of excellent quality.The center was built in the early 10th century as a possession of the abbey of San Salvatore al Monte Amiata, which gave a thousand years after the rights of the Abbey of Saint Antimo.