Certaldo is a town and comune in the middle of Valdelsa. It is about 35 kilometers (22 mi) 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. It was the home of the family of Giovanni Boccaccio, the poet of "Vita di Dante," and the author of the "Decamerone". He died here at his home and was buried here in 1375.