Certaldo is a town and commune in the Metropolitan City of Florence, Tuscany. It lies in the middle of the Elsa valley (Valdelsa). It is about 35 kms southwest of the Florence Duomo. It is 50 minutes by rail and 35 minutes by car southwest of Florence, and it is 40 minutes by rail north of Siena. Red wines can be made under the Chianti DOCG.
Certified organic: Lucii Libanio – Casa Lucii.
No certification: Castelvecchio (San Casciano).