Kolonia Sejny | |
|---|---|
Village | |
  Kolonia Sejny | |
| Coordinates: 54°09′03″N 23°31′03″E / 54.15083°N 23.51750°E | |
| Country |  Poland |
| Voivodeship | Podlaskie |
| County | Sejny |
| Gmina | Sejny |
Kolonia Sejny [kɔˈlɔɲa ˈsɛi̯nɨ] is a village in the administrative district of Gmina Sejny, within Sejny County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Lithuania.[1]