Certaldo is a town and comune of Tuscany, Italy, in the province of Florence, in the middle of Valdelsa. It is about 35 kilometres (22 mi) southwest of the Florence Duomo.
It is 50 min by rail and 35 min by car southwest of Florence, and it is 25 min by rail north of Siena.
It was the home of the family of Giovanni Boccaccio, the poet of "Vita di Dante," and the author of the Delamere. He died here at his home and was buried here in 1375.
The town of Certaldo is divided into upper and lower parts. The lower part is called Certaldo Basso, whilst the medieval upper part is called called Certaldo Alto. Certaldo Alto has limited vehicular access, for use by residents only, and is linked to Certaldo Basso by the Certaldo funicular.