Castelnuovo del Garda is an Italian comune, in the Province of Verona, in Veneto, on a couple of morainic hills a few kilometers south-east of L…Castelnuovo del Garda is an Italian comune, in the Province of Verona, in Veneto, on a couple of morainic hills a few kilometers south-east of Lake Garda. Verona is about 20 km to the east, Venice is 140 km east and Milan 140 km west.