First known as a city Gallo-Romane (Alta Villa) Auvillar was an oppidum set on a rocky outcrop. It suffered many invasions, especially of Normans until the eleventh century. In the twelfth century, the city became the capital and property of the Count of Armagnac. Becoming in the sixteenth century part of the kings of Navarre. Auvillar became attached to the crown of France after the crowning of Henri IV in 1589. Its fortress subjected the city to many conflicts in the region, from the Crusade against the Albigensians, the Hundred Years' War, the wars of religion and the Catholic League. In the seventeenth to the nineteenth century Auvillar owed its prosperity to two industries, pottery (the plant was located at a place called Lance), and the preparation of pens of goose feathers used in calligraphy. At the beginning of the nineteenth century, boatman traffic reached 3000 boats per year.