Directly from the Martinenga vineyard, in the heart of Barbaresco appellation, south-southwest exposure at an average altitude of 280m a.s.l. Specific selection of grapes better suited to make a lighter wine than Barbaresco.

In the heart of Barbaresco appelation, Martinenga is among the most important MeGA of the area, confining with Asili, on the western side, and Rabaja, towards northeast. A single vineyard of 11.93 hectares in an amphiteatre shape. South-southwest exposure at an altitude between 220m and 290m a.s.l.

In the heart of Barbaresco commune, Gaiun is a six acre parcel within famed monopole Martinenga. Located on the he western side of the amphitheater, just below Asili vineyard. South exposure at an altitude from 230m to 290m a.s.l. Originally the fruit would go into the Martinenga Barbaresco, but in 1982 Alberto di Grésy noticed this parcel had unique characteristics and decided to produce it as a single plot wine. With the 2019 vintage, it was determined that the wine would move to Riserva level with extended aging. 

In the heart of Barbaresco commune, Camp Gros is a 6-acre parcel on the eastern side within the Martinenga vineyard. Sitting right below Rabajà, it has a south- southwest exposure at an altitude from 240m to 290m a.s.l. Originally the grapes from this area went into Martinenga Barbaresco, but with the 1978 vintage, it was bottled separately. A world-class wine, it was elevated to a Riserva with the 2010 vintage, featuring extended aging. 

Located in La Serra estate in the commune of Cassine (Alessandria province). Southern exposure at an average altitude of 240m a.s.l.

In the Commune of Treiso, on the Monte Aribaldo hill, from which it takes the name. South and west facing exposure at an average altitude of 370m a.s.l.

In the heart of Barbaresco appellation, in the valley just below Martinenga, both vineyards face south-southwest. The Barbera has an average altitude of 225m a.s.l. while the Cabernet is slightly higher at 240m a.s.l.

The vineyards for the Grésy Chardonnay are located in two parcels, one at the Mont'Aribaldo estate in Treiso d'Alba and the other in the famed Barbaresco estate of Martinenga. Fermentation takes place with selected yeast in barrique. Extended lees time as the wine sits undisturbed throughout the summer and fall, and is bottled the following February. The wine then matures in the bottle for another year. 

Located among the communes of Barbaresco, below and in front of Martinenga, and Treiso, in Monte Aribaldo; three parcels wih different exposures: south, north and west. Average altitudes of 230m a.s.l. 250m a.s.l. and 370m a.s.l.

In La Serra estate, in the Cassine village, Alessandria Province. South exposure with an altitude from 220m to 380m a.s.l.

Marchesi di Grésy Grappa di Moscato La Serra is produced from moscato grape pomice, coming from Moscato grapes harvested at the La Serra 11 ha La Serra estate, located in Cassine, Monferrato. Distilled at Distilleria del Barbaresco, a cooperative of 19 member wineries, located in the Barbaresco production area. Due to their location, they are able to distill fresh pomace, which allows them to preserve the bouquet and esters that normally evaporate if there are delays between the grapes being pressed and arrival at the distillery.

The Marchesi di Grésy Grappa di Nebbiolo Martinenga is produced from the Nebbiolo pomice from grapes harvested from their famed Martinenga vineyard in the heart of Barbaresco. Produced at Distilleria del Barbaresco, a 19 member cooperative of wineries in the Barberesco production area. Located in the heart the region, allows them to distill fresh pomace, which retains the bouquet and esters that can evaporate if the pomace is not fresh.