a town of France, department of Rhine-Bas, and arrondissement of Strasbourg on the Moder, 15 miles N. of Strasbourg. It was originally fortified by Frederick Barbarossa, and is still surrounded by old walls and a ditch. Its principal edifice is a fine old Gothic church. It has a cavalry barrack, civil and military hospitals, a synagogue, and a female penitentiary; manufactures of woollen cloth, earthen-ware, soap, &c.; and oil, madder, and cotton mills. Pop. 10,500. The adjacent forest of Haguenau is one of the largest in France.