The commune, founded in 121 BC, after the invasion of Gallia Narbonensis by the Romans, it moved quickly to become the largest crossroads of routes behind Lyon. With its growing importance, Valence gained the status of Roman colony. Over the centuries, the town grew and grew. Today, many vestiges of the Middle Ages, Renaissance, but also from the 17th century, 18th century and 19th century are visible in the city centre.