The capital city of the empire was Aksum , now in northern Ethiopia .
The Empire of Aksum at its height at times extended across most of present - day Eritrea , Ethiopia , Somalia , Djibouti , Sudan , Egypt , Yemen and Saudi Arabia .
The capital city of the empire was Empire of Aksum , now in northern Ethiopia .
The Empire of Aksum at its height at times extended across most of present - day Eritrea , Ethiopia , Somalia , Djibouti , Sudan , Egypt , Yemen and Saudi Arabia .