Duisburg, Germany, a city in the state of North Rhine-Westphalia. It is at the junction of the Rhine and Ruhr rivers and the Rhine-Herne Canal, 10 miles (16 km) west of Essen. Duisburg is one of the busiest inland ports in Europe and a major distribution point for the products of the Ruhr basin. It imports metal ores, petroleum, grain, and timber, and exports coal and iron and steel products. Industrially, Duisburg is one of Germany's leading producers of iron and steel.
Duisburg was known to the ancient Romans. The town grew with the industrial development of the Ruhr basin in the 19th century.