Cieszyn [ˈt͡ɕɛʂɨn] (Czech: Těšín, German: Teschen, Yiddish: טעשין‎) is a border-town in southern Poland on the east bank of the Olza River, and the administrative seat of Cieszyn County, Silesian Voivodeship. The town has about 36,100 inhabitants (as of 2013), and lies opposite Český Těšín in the Czech Republic's Karviná District, Moravian-Silesian Region. Both towns belonged to the historical region of Austrian Silesia and are the historical capital of the region of Cieszyn/Těšín Silesia.