Kaduna, city, north central Nigeria, capital of Kaduna State, on the Kaduna River. A major rail junction, the city is a center for trade in cotton, livestock, durra sorghum, and ginger Manufactures include textiles, machinery, steel, aluminum and petroleum products and bearings. Kaduna is the site of Nigerian Defence Academy (1964), Kaduna Polytechnic (1968), and the Nigerian Institute for Trypanosomiasis Research (1951). Population (1995 estimate) 333,600.
