Osieck
Osieck  is a village in Otwock County, Masovian Voivodeship, in east-central Poland. It is the seat of the gmina (administrative district) called Gmina Osieck. It lies approximately  south-east of Otwock and  south-east of Warsaw. On 4 June 1981, a collision between two trains occurred near Osieck, killing 25 people. References

External links
 Jewish Community in Osieck on Virtual Shtetl

Osieck
Masovian Voivodeship (1526–1795)
Siedlce Governorate
Lublin Governorate
Lublin Voivodeship (1919–1939)
Warsaw Voivodeship (1919–1939)