This cathedral contains pagan, Christian, medieval and modern heritage. Inside the cathedral many valuable religious objects are preserved. Bell tower is 57 m high and it is a trademark od Split. Its construction began in the 13th century. Stairs lead to the top of the tower which provides a unique view of the Diocletian Palace and city of Split. 
Today the cathedral is important liturgical place. Every year in May here starts a famous procession on the day of St. Duje, a patron of the city.