The Book of Aksum !
The Book of Aksum, likely written and compiled before the 15th century, shows a traditional schematic map of Tigray with the city of Aksum at its center, surrounded by the 13 principal provinces: "Tembien, Shire, Serae, Hamasien, Bur, Sam’a, Agame, Amba Senayt, Garalta, Enderta, Sahart and Abergele