Property of the Florentine bishops since its foundation, San Casciano was annexed to the Florentine Republic in the XIII century and was subsequently fortified, turning it into a castle of defense against the dangers that originated in the Sienese countryside. Many traces of the boundary walls and the mediaeval towers remain even today.

The Museum of Sacred Art set up inside the Church of S. Maria del Gesu holds precious works of art from all over the region. The altar frontal attributed to Coppo di Marcovaldo representing San Michele Arcangelo and tales of his legend and the Madonna and Child by A. Lorenzetti are certainly the two most important works. Among the principal monuments are the Collegiata and the Church of Mercy (or S. Maria al Prato) that preserves a rich patrimony of works of art, including a Crucifix by Simone Martini.

The churches in the area are numerous and bear witness to the importance of S. Casciano in the Middle Ages, many of which are worth a visit, including the parish churches of S. Cecilia a Decimo a little out of the inhabited centre, S. Giovanni in Sugana in the Cerbaia direction; and S. Stefano a Campoli (dated 903) in the vicinity of Mercatale Val di Pesa.

We also remind you of the many villas around S. Casciano, including Villa i Collazzi and Villa Tattoli near Cerbaia and, in S. Andrea in Percussina, Villa Bossi-Pucci so-called Albergaccio, famous for Niccold Machiavelli's stay.

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