Territory of Siennica Municipality 2025

In 2024, Siennica municipality ranked 1165 nationally among Poland's 2,478 municipalities by area, in the lower half by size. Covered 111 km² (11,084 ha). In Miński county, ranked 7 of 13 municipalities. Within Masovian province, ranked 131.

Official GUS territorial statistics for Siennica municipality in Miński county, Masovian province.