Karte des Königreichs Aksum in seiner größten Ausdehnung im 6. Jahrhundert n. Chr., überlagert mit den heutigen Grenzen.

The map is very contested so take this with a grain of salt.

I for one believe it was much souther than this. If you think about it, Axum will probably expand south wards to the fertile and highland regions that to deserts of Sudan. So it’s likely it stretched to central shewan highlands of Ethiopia