Longvilliers (; until 1997 Longvillers)Décret du 22 décembre 1997 portant changement de nom de communes, Légifrance. is a commune in the Pas-de-Calais department in the Hauts-de-France region of FranceINSEE commune file 5 miles (9 km) north of Montreuil-sur-Mer in the Dordonne river valley.
Population
See also Communes of the Pas-de-Calais department
References