Ostrówek, Wyszków County

Ostrówek
Village
Ostrówek
Coordinates: 52°45′24″N 21°25′11″E / 52.75667°N 21.41972°E / 52.75667; 21.41972
Country Poland
VoivodeshipMasovian
CountyWyszków
GminaRząśnik
Time zoneUTC+1 (CET)
 • Summer (DST)UTC+2 (CEST)

Ostrówek [ɔsˈtruvɛk] is a village in the administrative district of Gmina Rząśnik, within Wyszków County, Masovian Voivodeship, in east-central Poland.

Three Polish citizens were murdered by Nazi Germany in the village during World War II.