I. A fortified city of N E. France, department of Pas-de-Calais, on the Lys, 8 m. S. S. E. of St. Omer; pop. in 1866, 8,803. It is well built, and has a highly ornamented church. There are manufactures of linen, hats, soap, Dutch tiles, etc. The surrounding district is one of the richest in French Flanders.
II. A city of S. W. France, department of Landes, on the Adour, 80 m. S. by E. of Bordeaux; pop. in 1866, 4,885. It is a very old place, was formerly strongly fortified, and has suffered much in foreign and civil wars. It was the residence of Alaric II., and has been a bishop's see since the 5th century.