Olsztyn is a historic town in southern Poland, approximately 8km southeast of Częstochowa in the Polish Jura mountains. The town is famous for its beautiful castle ruins.
- Castle Olsztyn, Zamkowa 3 (400m east of the village square. Built by Casimir the Great in the 14th century. After being destroyed in 1655 by the Swedish it fell into ruin.
Castle Olsztyn, Zamkowa 3 (400m east of the village square. Built by Casimir the Great in the 14th century. After being destroyed in 1655 by the Swedish it fell into ruin.