DOC area for white and red wines in the Italian region Umbria, The zone includes the municipalities of Collazzone, Massa Martana, Monte Castello di Vibio and Todi in the province of Perugia. The Bianco must have at least 50% Grechetto (Grechetto di Todi) Pignoletto, the Rosso (also as Superiore) from at least 50% Sangiovese, and a maximum of 50% of other approved varieties. The pure Grechetto wines , Merlot and Sangiovese (red wines also as Superiore) must be made from at least 85% of the respective variety and a maximum of 15% of other approved varieties. These can be preceded by the name of the grape variety on the bottle label, i.e.Grechetto di Todi , Merlot di Todi and Sangiovese di Todi . If the grapes come from classified vineyards, can Vigna followed by the location name.