The Romans arrived, between 15 and 13 BCE,The spot they chose was the top of Mount Taber, a small hill facing the sea and looking over the plain, where Plaça de Sant Jaume is today. The colony, called Julia Augusta Faventia Paterna Barcino, grew rapidly. A wall was built around it between the 1st and 2nd centuries, which was reinforced between the 3rd and 4th centuries and marked the perimeter that remained the same until the Middle Ages.