The Cathedral of Ariano is a prominent religious structure located in the town of Ariano Irpino, Italy. It is dedicated to the Assumption of the Virgin Mary and serves as the main church of the local diocese. The cathedral features a blend of architectural styles, reflecting its long history, which dates back to the 11th century. Inside, visitors can find beautiful artworks, including frescoes and altarpieces, that highlight the rich cultural heritage of the region. The cathedral also houses the relics of Saint Fortunato, the patron saint of Ariano Irpino, making it an important pilgrimage site for locals and tourists alike.