Territory of Sejny Municipality 2025

In 2024, Sejny municipality ranked 2115 nationally among Poland's 2,478 municipalities by area, in the top 20% of largest municipalities. Covered 217 km² (21,736 ha). In Sejneński county, ranked 3 of 5 municipalities. Within Podlaskie province, ranked 71.

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