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 posits that the Hadiya kingdom before the Great Oromo migration in the 16th century occupied this region, presenting several instances to support his assertion, diverging from other researchers who believe it extended towards the eastern direction.