Karniszyn is a village in the administrative district of Gmina Bieà ¼uà Â, within à »uromin County, Masovian Voivodeship, in north-central Poland. It is situated on the Luta River, a tributary of Wkra.
Karniszyn was a private town, administratively located in the Szreà Âsk County in the Pà Âock Voivodeship in the Greater Poland Province of the Kingdom of Poland.