Kostrzyn, Masovian Voivodeship
Kostrzyn  is a village in the administrative district of Gmina Wyśmierzyce, within Białobrzegi County, Masovian Voivodeship, in east-central Poland. It lies approximately  south-west of Wyśmierzyce,  south-west of Białobrzegi, and  south of Warsaw. History
Kostrzyn was a private village of Polish nobility, administratively located in the Radom County in the Sandomierz Voivodeship in the Lesser Poland Province. In 1827, the village had a population of 85. References

Kostrzyn