Krnov (kûrˈnôf) [key], Ger. Jägerndorf, city (1991 pop. 25,436), NE Czech Republic, in Moravia, on the Opava River, near the Polish border. An industrial center, it manufactures textiles (especially woolens) and musical instruments (notably organs). It is a summer resort and a winter sports area. The city was founded in 1221 and served as the capital of an independent duchy from 1377 to 1523. Krnov has an 18th-century castle and several fine churches and abbeys.