Wkra is a river in north-eastern Poland, a tributary of the Narew river, with a length of 249 kilometres (13th longest) and the basin area of 5,322 sq. km. (all in Poland).
Towns and townships:
- Biezun
- Radzanow
- Strzegowo
- Glinojeck
- Sochocin
- Joniec
- Pomiechowek
- Nowy Dwor Mazowiecki