Kandern is a city in southwestern Germany in the state of Baden-Württemberg, in the Kreis of Lörrach. During the Battle of Schliengen…Kandern is a city in southwestern Germany in the state of Baden-Württemberg, in the Kreis of Lörrach. During the Battle of Schliengen, in which the French Revolutionary army fought the forces of Austria, the battle lines of both armies ended in Kandern. It is not far from a tripoint where the three countries Germany, France and Switzerland meet and is one of the smallest cities in Germany.