Hlučín Region
Slezská Ostrava (, lit. "Silesian Ostrava"), till 1919 Polnisch Ostrau (, , lit. "Polish Ostrava") is a district of the city of Ostrava, Moravian-Silesian Region in the Czech Republic. It lies in the historical region of Cieszyn Silesia, not counting Koblov and Antošovice lying north-west from the Oder river in the Hlučín Region.