Satellite map of Biernik, Masovian Voivodeship
Biernik [ˈbjɛrnik] is a village in the administrative district of Gmina Puszcza Mariańska, within Żyrardów County, Masovian Voivodeship, in east-central Poland.
Latitude: 51° 58' 0.12" N
Longitude: 20° 21' 0.00" E