In XIII. and the beginning of XIV. century was built on the entry space in the temple, bell tower of St. Duje the late Romanesque style. Its construction element shows characteristics of the Romanesque style, but the new spirit of gothic feel to a certain long and sparsely system holes. The beginning of XVI rcentury built is another Romanesque floor, while the construction of the tower ends, gotic-renaissance end.

This harmonious slender and monumental construction for long centuries afterwards visual indetitet city, especially if one looks from the sea, so in that sense appears on the city’s coat of arms still in the middle of the peristyle age. Easternm of that is a monumental mausoleum of Emperor Diocletian.

It is housed in a rectangular courtyard enclosed high wall. This is the temple of central type with the outside corridor form the columns of octagonal buildings and covered the stone coffered ceiling. interior of the temple round the semi-structured plan and rectangular niches.

Two vertical series of columns of precious stone-colored nose luxuriously decorated chains. Under mausoleum crypt is located a circular ground plan, which is in the Middle Ages turned into the church of St. Lucy. At the time when the palace was turned into the city, the mausoleum became the Cathedral of St. Mary. It is, however, a very early start as a church of St. Dujam, Solin’s martyrs, whose altar was placed in the cathedral are still in the early Middle Ages. In the same year opened the door on the south side of the cathedral. On the eastern side of the building in the XVII. century, during the Baroque, built space bark Cathedral.