Castagnaro is a comune (municipality) in the Province of Verona in the Italian region Veneto, located about 80 km southwest of Venice and about 50 km southeast of Verona. As of 31 December 2004, it had a population of 4,091 and an area of 34.7 km2. The municipality of Castagnaro contains the frazioni (subdivisions, mainly villages and hamlets) Menà and Vallestrema. Castagnaro borders the following municipalities: Badia Polesine, Giacciano con Baruchella, Terrazzo, and Villa Bartolomea. Castagnaro is also the sight of one of the most famous battles of the condottieri era.

Demographic evolution

Twin towns

Castagnaro is twinned with: