ruins of the Ostrężnik Castle (right) built in early 14th century, as well as the nature reserve (left) called Rezerwat przyrody Ostrężnik established...

Świętokrzyskie Voivodeship Ostrorógu Castle in Greater Poland Voivodeship Ostrężnik – Silesian Voivodeship Oświęcim Castle – Lesser Poland Voivodeship Otyń...