Sangiovese is Italy's most planted red grape, and it wears more names than almost anything else on a wine list. Chianti, Brunello di Montalcino, Vino Nobile di Montepulciano, they are all Sangiovese wearing a different regional disguise, and each one tells you something different about the grape's range.

To be classified as Chianti, a wine must contain at least 70% Sangiovese, while Chianti Classico requires a minimum of 80%. The remaining bl