Olsztyn is a town in Częstochowa County, Silesian Voivodeship, in southern Poland. It is the seat of the gmina called Gmina Olsztyn. It lies in historic Lesser Poland, approximately 12 kilometres (7 mi) south-east of Częstochowa and 59 km (37 mi) north of the voivodeship capital Katowice. The village has a population of 2,331. It contains the ruins of a 14th-century castle, which was located on a hill above the village.

Lesser Poland, often known by its Polish name Małopolska, is a historical region situated in southern and south-eastern Poland. Its capital and largest city is Kraków. Throughout centuries, Lesser Poland developed a separate culture featuring diverse architecture, folk costumes, dances, cuisine, traditions and a rare Lesser Polish dialect. The region is rich in historical landmarks, monuments, castles, natural scenery and UNESCO World Heritage Sites.