Braukämper has argued that the Hadiya kingdom prior to the Great Oromo migration in the 16th century included in this area, presenting a number of facts supporting his argument, as opposed to other experts who argue that it extended to the east.
Braukämper asserts that the Hadiya kingdom before the Great Oromo migration in the 16th century encompassed this region, providing several pieces of evidence to support his claim, contrasting with other scholars who believe it extended to the east.