Dirweyn is one of the four big tribes in Somalia. Dirweyn means greater Dir. Dirweyn is made up of two tribes called Isaaq and Dir. The other three big tribes in Somalia are the bulshada Koofur Orsi, the Darood and the Hawiye. Isaaq borders Warsangeli and reer darawiish to the east, the Ogaden to the south and the Gadabuursi to the west.
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- Carruth, Lauren. "Kinship, nomadism, and humanitarian aid among Somalis in Ethiopia." Disasters 42.1 (2018): 149-168.