At the beginning of the IV century, the Roman Emperor Constantine I the Great had a residence in Arelate and called this city the second capital of his empire. Constantine I went down in history as the ruler who made Christianity the state religion and the main capital of the Roman Empire endured in Constantinople (then Byzantium). In Christianity, Constantine is revered as a saint equal to the apostles king.

In this period they were built in Arles terms - public baths, which are now considered to be one of the best preserved Roman baths in the territory of France. Roman Baths were built in the likeness of the Greek, richly decorated with mosaics, sculptures, columns and other decorations. France also preserved Thermes de Cluny on the banks of the Seine, which are in the Latin Quarter of Paris.

Baths of Arles was built on the banks of the Rhone, near the amphitheater. The remains were found in term of the XVI century, while studying local historians buildings along the embankment of the river. By mistake, the ruins of the baths took over the remnants of the Imperial Palace and within a few centuries, called them the "Palais de la Truy." In the XIX century, when the ruins of the partially cleared, it was found that the true purpose of the building. Now the southern part of the term is underground, and the north had been cleared in the last century. Then over the former furnace was built a shed, and the remains of the term themselves were open to tourists.

Among the ruins of the term you can see the remains of several rooms: caldarium (space receiving hot baths), tepidarium (room with warm baths), laconium (the room with dry steam), as well as hypocaust - a two-layer floor, under which was heated by stoves air under the floor were columns, built of brick tiles. Tepidarium located in the preserved semicircular apse with three windows and frigidarium (cold water pool) is not preserved.