DOCG range (also Acqui) for red wine and rosé wine in the Italian region Piedmont, After the DOC classification in 1969, the DOCG ordination was granted in 1996. The area comprises in full the municipalities of Bubbio, Calamandrana, Cassinasco, Castel Boglione, Castelletto Molina, Castel Rocchero, Cessole, Fontanile, Loazzolo, Maranzana, Mombaruzzo, Monastero Bormida, Montabone and Nice Monferrato, subarea of the municipalities of Quaranti, Rocchetta Palafea, Sessame and Vesime in the province Asti, as well as the municipalities Acqui Terme, Alice Bel Colle, Bistagno, Cassine, Ricaldone, Strevi, Terzo and Visone in the province of Alessandria. The vineyards cover about 650 hectares of vineyards.
In the 19th century, sweet, red sparkling wines were preferred in Piedmont. Later, dry wines came into fashion, which almost led to the extinction of the autochthonous grape variety Brachetto. In the 1970s, a revival continued, among other things, by the winery Castello Banfi on. The wine is made from at least 97% Brachetto ( Brachetto del Piemonte ) and produced as Rosso and Rosato. There is also a Spumante (also Rosso and Rosato) and a sweet one Passito,