Regional Statistics
Territory of Olszewo-Borki Municipality 2026
Olszewo-Borki municipality ranks 786 nationally among Poland's 2,478 municipalities by area, in the top 20% of largest municipalities. Covers 197 km² (19,673 ha). In Ostrołęcki county, ranks 2 of 11 municipalities. Within Masovian voivodeship, ranks 90.
Official GUS territorial statistics for Olszewo-Borki municipality in Ostrołęcki county, Masovian voivodeship.
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Contact Information for Olszewo-Borki
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