TROGIR (TRAGURION) was settled by the Greeks in IV-III century BC. In the First century AD, Trogir became Roman municipality "TRAGURIUM CIVIUM ROMANORUM" joined to Salona, center of Roman province of Dalmatia. Upon the fall of the Roman Empire in Fifth century, Trogir has been developed as a independent town.
In the Sixth century, the Croats settled in Trogir area and began creating works of art. Right from the beginning of the Middle Ages the old Greek town of Tragurion felt the fire of the new medieval culture. Builders and masons built churches and decorated it with interlaced ornamentation.
During the Tenth century citizens of Trogir renewed they old municipal life of the formal Roman "oppidum". In their struggle against the Venetians, the kings of Hungary got Trogir to their side in return for a guarantee of Independence. Its citizens could freely elect their city leaders and, already in the Eleventh century, the small community crowded on the fortified islet, had its own Bishop who was suffrage of the Bishop of Split.