Leonowo is a village in the administrative district of Gmina Osięciny, within Radziejów County, Kuyavian-Pomeranian Voivodeship, in north-central Poland.
History In the 19th century, Leonowo is mentioned as a manor farm in the Nieszawa district of the Radziejowo parish, covering 185 acres. The manor farm included an oil mill.
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