Czerwin
Czerwin  is a village in Ostrołęka County, Masovian Voivodeship, in east-central Poland. It is the seat of the gmina (administrative district) called Gmina Czerwin. It lies approximately  south-east of Ostrołęka and  north-east of Warsaw. References

External links
 Jewish Community in Czerwin on Virtual Shtetl

Czerwin
Łomża Governorate
Warsaw Voivodeship (1919–1939)