Regional Statistics
Territory of Ostrołęka 2026
Ostrołęka county ranks 301 nationally among Poland's 380 counties by area, in the bottom 10% of smallest counties. Covers 33 km² (3,346 ha). Within Masovian voivodeship, ranks 33 of 42 counties. Contains 1 municipality.
Official GUS territorial statistics for Ostrołęka county and its 1 municipality within Masovian voivodeship.
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Contact Information for Ostrołęka
Updated 51 days ago
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