Private oratory of the Tatti family. Rectangular Baroque construction, with choir and Diocletian window on the façade. The coat of arms of the Tatti family is painted above the portal. Inside: barrel and cross vaults with 17th-century stuccoes above the altar and choir. Painting depicting the Madonna with saints Anthony the Hermit, Catherine of Siena and Defendens, dating from the 17th century. On the walls: frescoes commissioned by the Tatti family, with Saint Catherine and the martyrdom of Saint Defendens. On the triumphal arch: depiction of the Presentation to the Temple and the Marriage of the Virgin. In the choir: image of the Eternal Father, Annunciation and saints, artworks from the first half of the 17th century, partially repainted.