Prosna

The Prosna is a river in central Poland, a tributary of the Warta river (near Pyzdry), with a length of 217 kilometres (28th longest) and the basin area of 4,925 km² (all in Poland).

Coordinates: 52°08′30″N 17°39′44″E / 52.1417°N 17.6621°E / 52.1417; 17.6621

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