Sakar (Bulgarian: Сакар [sɐˈkar]; also Сакар планина) is a mountain in southeastern Bulgaria, between the rivers Maritsa, Tundzha, Sokolitsa, and Sazliyka and close to the borders with Greece and Turkey.
[1] Sakar is known for its biodiversity, where some of Bulgaria's endangered birds of prey can be found.
[2] Sakar is one of the habitats hosting the lesser kestrel, a species previous absent from Bulgaria.
[3] Sakar is widely known for the wines produced in the area, but tobacco growing remains a leading occupation.
The region's most important administrative centre is the town of Topolovgrad in Haskovo Province.