Ostrów Mazowiecka [ˈɔstruf mazɔˈvʲɛt͡ska] (listen) is a town in eastern Poland with 23,486 inhabitants (2004). It is the capital of Ostrów Mazowiecka County in Masovian Voivodeship. Ostrów was granted town rights in 1434 by Duke Bolesław IV of Warsaw. Its name comes from the Old Polish word ostrowa. In 1461 a parish school was founded in the town. In 1514, Duchess Anna Radziwiłł, who is commemorated in the town with a monument, established four annual fairs and a weekly market, boosting the development of Ostrów. In the 16th century Polish King Sigismund II Augustus built a residence in Ostrów. Ostrów was a Polish royal town, administratively located in the Masovian Voivodeship in the Greater Poland Province of the Kingdom of Poland. More information...
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