Esch-sur-Alzette, also Esch, town, southern Luxembourg, on the Alzette River, near the city of Luxembourg. The town is located in a coal and iron-ore mining district. Manufactures include iron and steel, railroad equipment, fertilizer, tar products, cement, beer, and liquor. Esch-sur-Alzette has several large parks, one of which contains a castle constructed in the 19th century on the site of a 13th-century castle. A music conservatory also is here. The town was chartered in 1328 and grew after 1850 as a result of the mining development. Population (1998 estimate) 24,600.
