Territory of Sienno Municipality 2025

In 2024, Sienno municipality ranked 1622 nationally among Poland's 2,478 municipalities by area, in the top 30% of largest municipalities. Covered 147 km² (14,717 ha). In Lipski county, ranked 2 of 6 municipalities. Within Masovian province, ranked 187.

Official GUS territorial statistics for Sienno municipality in Lipski county, Masovian province.