Certaldo is a town and comune of Tuscany, Italy, in the Metropolitan City of Florence, located in the middle of Valdelsa. It is about 35 kilometres southwest of the Florence Cathedral, and 40 minutes by rail north of Siena. It was home to the family of Giovanni Boccaccio, author of the Decameron, who was possibly born and died at his home in Certaldo, being buried there in 1375.