Ostrów (Polish for "river island") may refer to:

Places

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Poland

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Greater Poland Voivodeship
Kuyavian-Pomeranian Voivodeship
Lesser Poland Voivodeship
Lublin Voivodship
Lubusz Voivodeship
Łódź Voivodeship
Masovian Voivodeship
Podlaskie Voivodeship
Silesian Voivodeship
Subcarpathian Voivodeship
Świętokrzyskie Voivodeship
Warmian-Masurian Voivodeship
West Pomeranian Voivodeship

Belarus

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Lithuania

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Islands

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See also

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