Châteaufort is a commune in the Yvelines department in Île-de-France in north-central France. It is located 9 km south of Versailles, and 27 km southwest of Paris.

Louis VI, called the Fat or the Fighter, reigned as King of the Franks from 1108 to 1137. Like his father Philip I, Louis made a lasting contribution to centralizing the institutions of royal power. H