Claim: The Capital of the Sultanate of Aussa was Aussa, once home to the extinct Harla people, and the primary religion was Sunni Muslim.
Evidence: The Sultanate of Aussa was a kingdom that existed in the Afar Region eastern Ethiopia in the 18th and 19th centuries. Aussa Sunni Islam Aussa was once home to the extinct Harla people, their moniker still exists within clans in rural areas.