NEUSTADT (Polish, Prudnitz), a town of Prussia, in the province of Silesia, on the Prudnitz, 29 miles S.W. of Oppeln, and 18 S.E. of Neisse. It is well built, and contains Roman Catholic and Protestant churches, a convent, synagogue, two hospitals, courts of law, and a penitentiary. The manufactures consist of cloth, leather, paper, tiles, &c. Pop. 6797.