Olsztyn (Silesian Voivodeship)
Sourced from Wikivoyage. Text is available under the CC-by-SA 3.0 license.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.
address: Zamkowa 3Built by Casimir the Great in the 14th century. After being destroyed in 1655 by the Swedish it fell into ruin.