Onzo

Onzo (Onsu) is a comune (municipality) in the Province of Savona in the Italian region Liguria, located about 80 km southwest of Genoa and about 45 km southwest of Savona.

Onzo borders the following municipalities: Aquila di Arroscia, Casanova Lerrone, Castelbianco, Nasino, Ortovero, Ranzo, and Vendone.