Drwęca
The Drwęca [ˈdrvɛnt͡sa] (German: Drewenz, Lithuanian: Druvinčia) is a river in northern Poland and a tributary of the Vistula river near Toruń, forming a part of the city's administrative boundary. It has a length of 207 km (17th longest) and a basin area of 5,344 km², all in Poland.
Towns:
Coordinates: 52°59′57″N 18°41′23″E / 52.99917°N 18.68972°E
...
Wikipedia