The Vistula is the longest river in Poland and the 9th-longest river in Europe, at 1,047 kilometres in length. The drainage basin, reaching into three other nations, covers 193,960 km², of which 168,868 km² is in Poland.
What river is Warsaw on?
Vistula River in Warsaw - Official Tourist Website of Warsaw.
What is the river that runs through Krakow?
KRAKÓW: A walk along the Vistula River.