Territory of Sejny city Municipality 2025

In 2024, Sejny city municipality ranked 1805 nationally among Poland's 2,478 municipalities by area, in the bottom 10% of smallest municipalities. Covered 4 km² (449 ha). In Sejneński county, ranked 1 of 5 municipalities. Within Podlaskie province, ranked 49.

Official GUS territorial statistics for Sejny city municipality in Sejneński county, Podlaskie province.