Built in 1477-1480, the monastery was reconstructed by architect GG Monti in 1687. The architect has preserved a valuable terracotta portal of the XV century by Sperandio. During the bombing of the city in 1943, the monastery and the oratory were significantly destroyed. In the interiors - frescoes by MA Franceschini (1687-1695), numerous sculptures and paintings. The immortal body of St. Catherine de Vigri is kept in the chapel. Terracotta sculptures have been preserved on the corners of the building, partially damaged.→