Olsztyn [ˈɔlʂtɨn] is a village in Częstochowa County, Silesian Voivodeship, in southern Poland. It is the seat of the gmina (administrative district) 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.