DOCG area for dry red wine in the Italian region of Piedmont, named after the commune of the same name located 15 kilometres south of Alba. It was classified as DOC in 1966 and as DOCG in 1980. The area comprises around 1,300 hectares of vineyards with countless parcels in the Langhe mountains with the municipalities (or just parts of them) of Barolo, Castiglione Falletto, Cherasco, Grinziano, La Morra (by far the largest area with one third of the surface), Monforte d'Alba, Novello Rossi, Serralunga d'Alba and Verduno. They are predominantly south-facing on steep slopes. The historic core areas of Barolo, Castiglione Falletto, La Morra, Monforte and Serralunga account for more than 80 percent of production.