Olsztyn (Silesian Voivodeship)
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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. Get in
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address: Zamkowa 3Built by Casimir the Great in the 14th century. After being destroyed in 1655 by the Swedish it fell into ruin.