Zagreb - Archaeologists in the Adriatic town of Rijeka have discovered mosaic floors dating from the 5th century, Croatian daily Novi list reported on Tuesday.

The floor mosaic, around 40 square metres large, is a part of an old basilica that was built on top of ancient Roman therms.

The mosaics have motifs including crosses, diamonds and other geometric forms and were found at the entrance of the basilica as well as in the nave, where they are richly decorated, head of the excavations, archaeologist Josip Visnjic said.

Rijeka was founded by the Celts and was rebuilt in the 1st century by the Romans. From the 5th century the town was ruled by the Ostrogoths, the Byzantines, the Lombards, the Franks, the Hungarians and eventually the Croats. (dpa)