The fortified castle enclosed, on the hill, the parish church of S. Ippolito (the ancient S. Biagio) and with a second circle of walls, Borgo d'Elsa and Borgo Nuovo. There were five gates (Porta Fiorentina, Porta Pisana, Porta al Vento, Porta Senese, and Porta di Borgo).
The fortified castle encompassed, on the hill, the parish church of S. Ippolito (the ancient S. Biagio) and with a second ring of walls, Borgo d'Elsa and Borgo Nuovo. There were five gates (Porta Fiorentina, Porta Pisana, Porta al Vento, Porta Senese, and Porta di Borgo).