The?Valpolicella Blend?is based on three indigenous red-wine grape varieties grown in the?Veneto?region in Italy's northeast.?Corvina,?Corvinone?and?Rondinella?are the trio primarily involved in the?Valpolicella DOC, although it could easily be argued that the production method is equally as important ? the grape berries are semi-dried to make?Amarone, possibly their most famous incarnation.