Barolo is exclusively cultivated in the Langhe region, a narrow area centered around Barolo in the province of Cuneo, as well as the municipalities of Castiglione Falletto, Serralunga d'Alba, and partially Monforte d'Alba, Novello, La Morra, Verduno, Grinzane Cavour, Diano d'Alba, Cherasco, and Roddi.