Ostrołęka [ɔstrɔˈwɛŋka] is a village in the administrative district of Gmina Warka, within Grójec County, Masovian Voivodeship, in east-central Poland.

[1] It lies approximately 7 kilometres (4 mi) north-east of Warka, 28 km (17 mi) east of Grójec, and 47 km (29 mi) south-east of Warsaw.

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