The name Enghien itself does refer to the Belgian city, which was a fief of the princes of Condé, a cadet branch of the French royal family, who inherited the duchy of Montmorency in 1633.
Enghien-les-Bains je severno predmestje Pariza in občina v osrednjem francoskem departmaju Val-d'Oise regije Île-de-France.