Osina (Bulgarian: Осина, old version: Usina) is a village in Southwestern Bulgaria.

The village of Osina was founded in the early 15th century when shepherds from the village of Kochan moved to the area where they maintained their dairies to avoid aplague outbreak.

[3] According to Vasil Kanchov, in 1900 Osina (Усина) was populated by 250 Bulgarian Muslims.

[4] Stephan Verkovic also noted that by the end of 19th century, the village had a male population of 173 Pomaks and 50 houses.

This Blagoevgrad Province, Bulgaria location article is a stub.