Kolonia Otocka () is a village in the administrative district of Gmina Biała, within Prudnik County, Opole Voivodeship, south-western Poland. It is situated in the historical region of Prudnik Land.
The National Register of Geographical Names for 2025 classified Kolonia Otocka as a colony (kolonia wsi) of Grabina. It is called Kolonia Grabińska to distinguish it from the nearby village which is also named Kolonia Otocka.
History The village was established between 1842 and 1845. It was named Kolonie Ottok in German. In 1936, Nazi administration of the German Reich changed the village's name to Auenwalde Kolonie.
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