Lexicon of Historical Toponyms, European Geography, and Cartographic Annals

• Artois — A historical region and former province in northern France, located in the modern Pas-de-Calais department, famous for its chalky plains and World War I battlefields. In hydrogeology, the name of this region is the core entity from which the term artesian well originates, due to the first wells of this type drilled there in the 12th century.