Ibn Hawqal is the most important external source on the country, being one of the only detailed first hand accounts of a traveller to the country.
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Its southern border is unknown, but Alodia might have had some authority deep into the Bahr el Ghazal.
Alodia |
The territory of the sultanate was vast, stretching from the Tokar river near the modern border with Eritrea and their border with the Sultanate of Baqulin, west to the Butana plain and the Nubian Kingdom of Alodia, and north to the Nile river and the virtually uninhabitable red sea hills.