town, Pas-de-Calais département, Nord-Pas-de-Calais région, northern France, at the mouth of the Canche River. Situated on the English Channel 20 miles (32 km) south of Boulogne, it is a fashionable seaside resort with casinos, conference and sports facilities, a horse-racing track, fine sands, and a forested background. Pop. (1999) 5,299; (2005 est.) 5,536.