Kostopil'
Kostopil is a town, originally named Ostlec Wielki or Ostaltsi, on the Zamchysko river in Rivne Oblast of western Ukraine. It is the administrative center of the Kostopil Raion. Population: 31,638
Kostopil is a town, originally named Ostlec Wielki or Ostaltsi, on the Zamchysko river in Rivne Oblast of western Ukraine. It is the administrative center of the Kostopil Raion. Population: 31,638