Les Ulis is a commune in the Essonne department located in the southwestern suburbs (banlieue) of Paris, France. It is 23 km (14 mi) from the centre of Paris. Inhabitants of Les Ulis are known as Ulissiens. Location Les Ulis is a new town located in the Île-de-France, in the south-west of the Parisian agglomeration and in the north-west of the Essonne department. It sits on the Courtabœuf plateau which dominates […]