Łydynia is a river of north-eastern central
Poland
Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...
, a left tributary of the
Wkra at the town of
Sochocin, with an overall length of 72 kilometers.
[http://portalwiedzy.onet.pl/54590,,,,lydynia,haslo.html (Polish language)]
The river flows past
Ciechanów and its ancient
Mazovia
Mazovia or Masovia ( ) is a historical region in mid-north-eastern Poland. It spans the North European Plain, roughly between Łódź and Białystok, with Warsaw being the largest city and Płock being the capital of the region . Throughout the ...
n ducal castle. Its own tributaries include the Giedniówka, the Dunajczyk, the Stawnica, and the Pławnica.
References
Rivers of Poland
Rivers of Masovian Voivodeship
{{Poland-river-stub