Prostejov - Ger. Prossnitz, city (1991 pop. 50,074), SE Czech Republic, in Moravia. A railway junction and trade center of the fertile Haná agricultural region, Prostejov has breweries, distilleries, and industries manufacturing farm machinery, paper, and textiles. A 16th-century castle dominates the city skyline; other landmarks include a 16th-century Renaissance town hall and a 14th-century church.