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It rises in the Kraków-Częstochowa Upland at Kromołów near Zawiercie, Silesian Voivodeship, flows through Łódź Land, Greater Poland and Lubusz Land, where it empties into the Oder near Kostrzyn at the border with Germany.
The Greater Polish Warta river basin was the original Poland —it is said that the Polans (Polish: Polanie), a West Slavic tribe, inhabited the Warta river basin from the 8th century. The river is also mentioned in the second stanza of the Mazurek Dąbrowskiego Polish national anthem.
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