The village of Osowlane was mentioned in 1858, as part of Imienin parish, Kobryn district, Grodno province. There were 13 “souls” (state villagers) in the village, formerly subordinated to the Torokany monastery. Schubert’s map of 1870: In 1905 the village had 285 inhabitants. In 1921-39 it was part of Poland, Imienin commune, Drohiczyn district, Drohiczyn county, Poleskie voivodeship. In 1921 the village had 52 courtyards, 133 inhabitants (all Orthodox). WIG map: From 04.