Hayredin (Bulgarian: Хайредин, pronounced [hajrɛˈdin]; also transliterated Hajredin or Hairedin) is a village in northwestern Bulgaria, part of Vratsa Province. It is the administrative centre of Hayredin Municipality, which lies in the northwestern part of Vratsa Province. The village is located along the Ogosta River, 30 kilometres south of Kozloduy, 25 kilometres south of the Danube River, 52 kilometres from the provincial capital Vratsa and 186 kilometres from Sofia.