old maps drawn in the 15th and 16th centuries. The Andlau River is 42.8 km long and flows from the Champ du Feu to the Ill and is the origin of the name of the town. On 30 July 1857 Andlau was called Andlau-au-Val to distinguish it from that of Andelot in Haute-Marne. At the beginning of the 20th century the name became Andlau. Neighbouring communes and villages History An area occupied since Gallo-Roman times The village undoubtedly already existed in Gallo-Roman times. The village developed around the abbey of nuns founded in 880 AD by Richarde de Souabe, daughter of the Count of Alsace who was known as Erchangar. Sainte Richarde later the wife of Emperor Charles the Fat who was grandson of Louis the Pious. The foundation of the abbey The abbey was initially placed in Saint-Sauveur following the rule of Saint Benedict and received the protection of the Pope. It was allowed to raise money until 1004. It was endowed with substantial assets and subsequently received many privileges . The Emperor Charles IV, in confirming it in 1347, declared the abbey free of all charges and contributions and granted to the abbess Adelaide de Geroldseck, and her successors, the title of Princess of the Empire. The exact date of its secularization is not known but it is believed that it took place between the 12th and 14th centuries. In addition to the charter from Emperor Charles IV many other anterior and posterior diplomas were granted to the abbey to confirm the privileges it had already obtained or to give it new ones. The recipients were required to demonstrate sixteen Quarters of nobility without misalliance and the most illustrious families of Alsace and Germany vied for the honour of admitting their girls. They were not subject to a vow and could, when they wished, return to their families and even marry. This abbey received almost from its inception an illustration that greatly contributed to its prosperity and its status. It is known that the Emperor Charles the Fat was too weak to govern the vast empire that had been reunited under him by the death of his two brothers left in the care of the Empress Richarde, his wife. She had to advise Liutward, Bishop of Vercelli. Courtiers, jealous of the authority of the bishop and the confidence that was accorded him by the Empress, long meditated his