Why it belongs here
The Kwisa [ˈkfʲisa] (German: Queis, Upper Sorbian: Hwizdź, pronounced [ˈhwʲistʃ]) is a river in south-western Poland, a left tributary of the Bóbr, which itself is a left tributary of the Oder river. It rises in the Jizera Mountains, part of the Western Sudetes range, where it runs along the border with the Czech Republic.
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