 The current DOC recognized area of production for the wine covers only about 100 acres (40 hectares) of vines around the villages of Castagnole Monferrato, Refrancore, Grana, Montemagno, Viarigi, Scurzolengo and Portacomaro.Ruché di Castagnole Monferrato is, therefore, one of the lowest production varietal wines in Italy.The grape is also grown to some extent in the neighboring province of Alessandria.