Irpinia is a historical-geographical region of southern Italy corresponding to the territory of the present province of Avellino. Known as "Green Irpinia", it has important landscape values including the Monti Picentini Regional Park, the WWF Lagoon of Conza Oasis and the Natural Oasis of the Hunting Valley. The main attractions are the Laceno ski area, the Terminio mountain and some of the "Most beautiful villages in Italy", such as Nusco. Historic centers of Gesualdo, with Rocca San Felice Castle, are home to the Prince of Music Carlo Gesualdo; Calitri (especially Borgo Castello) and Medieval village of Castelvetere. Impressive Norman Castle of Ariano Irpino. Among the religious sites are the Sanctuary of Montevergine in Mercogliano, the Sanctuary of San Gerardo Maiella in Caposele, the Sanctuary of Carpignano in Grottaminarda and the Sanctuary of Madonna del Buon Consiglio in Frigento. Among the typical products of particular importance are the production of wine: Greco di Tufo DOCG, Taurasi DOCG, Fiano di Avellino and Aglianico. You can taste the chestnut of Montella IGP and the olive oil "Irpinia Colline dell'Ufita", to be enjoyed on Calitri bread with Venticano ham, pecorino of Carmasciano and the black truffle of Bagnoli Irpino. Greco is the only country in the country where the Arbëresh language is still spoken and many Italo-Albanian traditions have been maintained.