Longvilliers (; until 1997 Longvillers) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France. Geography Longvilliers is situated 5 miles (9 km) north of Montreuil-sur-Mer on the D146 road and in the Dordonne river valley. With a population of little over 250, it retains the character and atmosphere of the French countryside. There are no shops, but it is near enough to Frencq (5 km), Montreuil-sur-Mer (9 km) and Étaples (10 km). The area around offers views and walks in the countryside. Population Places of interest The fifteenth-century church. Ruins of the 16th-century château. Vestiges of a cistercian abbey from the twelfth century. Remains of the manor of Tatéville, of 1586. See also Communes of the Pas-de-Calais department References Communes of Pas-de-Calais