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

Villages in Ciechanów County