Biernik, Masovian Voivodeship

Biernik is a village in the administrative district of Gmina Puszcza Mariańska, within Żyrardów County, Masovian Voivodeship, in east-central Poland. It lies approximately 2 km south of Puszcza Mariańska, 11 km south-west of Żyrardów, and 53 km south-west of Warsaw.