Oświęcim Basin (Polish: Kotlina Oświęcimska[1]) is a lowland, located in southern Poland, between the Lesser Poland Highlands to the north, Silesian Foothills and to the south. It has the size of around 1236km2. Its name comes from the city of Oświęcim. It is located on the Vistula River on the confluences of Biała, Soła and Skawa which begin in Carpathian Mountains and Przemsza which begins in Silesian Highlands.