Knajka

Knajka is a stream in the Cieszyn County, Silesian Voivodeship, Poland, in the historical region of Cieszyn Silesia. It is a left-bank tributary of the Vistula, which it enters just south of Strumień. Its length is variously said to be either or. It flows through Ogrodzona, [Silesian Voivodeship|Ogrodzona], Kostkowice, [Cieszyn County|Kostkowice], Dębowiec, Knaj and Bąków. Numerous fish ponds are located alongside of it.
The name of the river is derived from a word knieja denoting a wild, dense forest.