| Petrůvka Piotrówka |
|
|---|---|
Piotrówka River in Marklowice Górne |
|
| Origin | Silesian Foothills, Cieszyn Silesia |
| Mouth | Olza |
| Basin countries | Poland, Czech Republic |
| Length | 31 km |
(Polish: ) is a 31 km long river originating in Poland but flowing mostly through Karviná District, Moravian-Silesian Region, Czech Republic. It is the right tributary of the Olza River, to which it enters in Závada (part of Petrovice u Karviné).