Castelbianco

Castelbianco (Castregianco) is a comune (municipality) in the Province of Savona in the Italian region Liguria, located about 80 km southwest of Genoa and about 40 km southwest of Savona.

Castelbianco borders the following municipalities: Arnasco, Erli, Nasino, Onzo, Vendone, and Zuccarello.