Castelnuovo Berardenga is a comune (municipality) in the province of Siena in the Italian region Tuscany, located about 50 km southeast of Florence and about 14 km east of Siena. Since 1932 it has been included in the Chianti wine-production area. The Battle of Montaperti between Guelphs and Ghibellines was fought nearby on 4 September 1260. The territory of Castelnuovo Berardenga borders that of the comuni of Asciano, Bucine, Castellina in Chianti, Gaiole in Chianti, Monteriggioni, Radda in Chianti, Rapolano Terme and Siena.

Villages and hamlets

The comune of Castelnuovo Berardenga includes the frazioni of: And the hamlets or smaller villages of:

Main sights

Villas

Churches