This group lives dominantly in the present-day West Hararghe Zone.
It is believed the extinct Harla ethnicity were incorporated into Ituu Oromo.
[1] Ituus are divided into ten clans: Baye, Wayye, Addayyo, Aroji, Babo, Gadula, Wachale, Alga, Gamo, Qalu, but there is no Galan in Ituu.
[clarification needed] The Ituu are sedentary farmers.
Majority of the Ituu are adherents of Sunni Islam.