Rzeszów, city in southeastern Poland, capital of Rzeszów Province, on the Wisloka River. Manufactured in the city are transportation equipment, machinery, bricks, textiles, food products, cement, iron products, and lumber, and manganese deposits lie nearby. Rzeszów has a provincial museum of folk art, a theater, and a 17th-century baroque church. The Technical University of Rzeszów (1963) also is here. The city was founded in the 14th century. It passed to Austria in the first partition of Poland in 1772 and was returned to Poland in 1919. Population (1997 estimate) 161,300.