LANDSBERG -AN-DER-WARTHE, a town in the Prussian province of Brandenburg, at the confluence of the Warthe and the Kladow, 80 m. N.E. of Berlin by rail. Pop. (1905) 36,934. It has important engine and boiler works and iron-foundries; there are also manufactures of tobacco, cloth, carriages, wools, spirits, jute products and leather. An active trade is carried on in wood, cattle and the produce of the surrounding country. Landsberg obtained civic privileges in 1257, and later was besieged by the Poles and then by the Hussites.
See R. Eckert, Geschichte von Landsberg-Warthe (1890).