OstrolenskyOstrolensky is a rural locality in Nagaybaksky District, Chelyabinsk Oblast, in the Asian part of Russia. It has a population ofHistoryThe settlement was founded in 1842–1843, and named after the Polish city of Ostrołęka, to commemorate the Battle of Ostrołęka (1831).DemographicsDistribution of the population by ethnicity according to the 2021 census: