The Basilica is located at what used to be the city's corn market[2] and is dedicated to the martyr Saint Fidelis.
It derives from an earlier Christian church, dating from the seventh century, dedicated to Euphemia.
The dedication was changed to San Fedele, and the designation of cathedral passed to Santa Maria Maggiore.
In the right hand side aisle there is a triptych painted in 1504 by Giovanni Andrea De Magistris depicting the Blessed Virgin and the Infant Jesus between SS.
The bowl is painted with frescoes of the Assumption of the Virgin attributed to the painter Domenico Caresana and Francesco Carpano.
At the sides of the altarpiece there are four seventeenth-century frescoes of the Marriage of the Virgin, the Nativity, the Annunciation to the Shepherds and the Adoration of the Magi.