Opaleniec is a village in the administrative district of Gmina Chorzele, within Przasnysz County, Masovian Voivodeship, in east-central Poland.
History The village existed in 1550 and was so-called church village. Before World War I, border markets were held twice a year in Opaleniec. During the interwar period, near Opaleniec, a German-Polish border ran (Opaleniec / Opalenietz was in East Prussia), there was a customs office in the village.Bałdowski, Jan (1977) Warmia i Mazury, mały przewodnik, Sport and Tourism Publishing House Warsaw, pp. 162-163
Notable residents Emil Badorrek (1910–1944), German Luftwaffe pilot
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