Verdetto is a white grape variety native to Italy.
See Dr Ian d’Agata, Native Wine Grapes of Italy (University of California Press, 2014).
Italian Wine Unplugged (Positive Press, 2017), p.290.
San Giovanni in Marignano is a comune in the Province of Rimini in the Italian region Emilia-Romagna, located about miles (130 kms) southeast of Bologna and about miles (20 kilometres southeast of Rimini. See Verdetto (grape variety)