Clévilliers is a commune in the Eure-et-Loir department and Centre-Val de Loire region of north-central France. It lies 13 km north-west of Chartres and some 80 km west-south-west of Paris.The Vacheresses stream flows through the commune, which is bordered by Tremblay-les-Villages (north), Challet (east), Berchères-Saint-Germain (south-east), Briconville (south), and Mittainvilliers-Vérigny (south-west).
