Wkra is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of ...

in north-eastern

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

, a tributary of the

Narew The Narew (; be, Нараў, translit=Naraŭ; or ; Sudovian: ''Naura''; Old German: ''Nare''; uk, Нарва, translit=Narva) is a 499-kilometre (310 mi) river primarily in north-eastern Poland, which is also a tributary of the river Vi ...

river, with a length of 255 kilometres and a basin area of 5,348 km² - all within Poland.Statistical Yearbook of the Republic of Poland 2017
Statistics Poland, p. 85-86 Among its tributaries are the Łydynia and the Płonka. Towns and townships: * Bieżuń * Radzanów * Strzegowo * Glinojeck * Sochocin * Joniec * Pomiechówek * Nowy Dwór Mazowiecki See also: :

Rivers of Poland Following is a list of rivers, which are at least partially, if not predominantly located within Poland.KSNG (2002–2014)List of Names of Flowing Waters (Wykaz nazw wód płynacych)(PDF file, direct download 1.47 MB), Komisja Standaryzacji Nazw Ge ...

References

Rivers of Poland Rivers of Warmian-Masurian Voivodeship Rivers of Masovian Voivodeship {{Poland-river-stub