ETRETAT, a watering-place of France, in the department of Seine-Inf erieure, on the coast of the English Channel, 161 m. N. by E. of Havre by road. Pop. (1931) 1,678. It stands between curiously worn chalk cliffs at the mouth of a valley, the stream of which runs underground for some distance to emerge on the beach. A Roman road and aqueduct and other Roman and Gallic remains have been discovered. The church of Notre-Dame is a fine example of Romanesque architecture of the iith and 13th centuries. Fishing is carried on.