The Red-breasted Goose breeds in Arctic Siberia, mainly on the Taymyr Peninsula, with smaller populations in the Gydan and Yamal peninsulas.[4] Most winter along the northwestern shores of the Black Sea in Bulgaria, Romania and Ukraine (occasionally moving further southwest to Greece), but some winter in Azerbaijan.[4] It is a rare vagrant to Great Britain and other western European areas, where it is sometimes found with flocks of Brent or Barnacle Geese.[3] However, since it is common in captive wildfowl collections, escapees outside its usual range are fairly frequent. In the late Pleistocene the species' range expanded southward to Bulgaria