Harena Buluk is one of the woredas in the Oromia Region of Ethiopia. It was part of former Menna Angetu woreda. It is part of the Bale Zone. Harena Buluk woreda is bordered on the south by Meda Welabu, on the north by Goba, on the west by Nensebo, on the northwest by Adaba, and on the east by [[Delo Menna, Oromia (woreda). The administrative center for the woreda is Angetu.