At the beginning of the 16th century, the Franciscans - conventives built their monastery and the church of St. Jerome on Prirova peninsula. The monastery was built on the foundations of the ancient Roman theater. Marble and stone blocks of the theater were used in the construction of monasteries and churches. Still today, marble blocks are built in the facade and antique inscriptions (the most famous one is the entrance to the monastery courtyard that with its text signifies its age, "CIL" (149). Source vis-central.com