Piotrówka River

Petrůvka Piotrówka
Piotrówka River in Marklowice Górne
Country	Poland, Czech Republic
Physical characteristics
Main source	Silesian Foothills, Cieszyn Silesia
River mouth	Olza
Length	31 km (19 mi)

 Petrůvka  (Polish:  Piotrówka) 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).

It beginns in vicinity of Cieszyn (Pastwiska) and then flows north through Hażlach, Kończyce Wielkie, Kończyce Małe, Zebrzydowice, where it veers west towards Marklowice Górne, Dolní Marklovice, Petrovice u Karviné and Závada.