The Uighurs, at their beginning, are a Tengri Uyghur steppe horde located in the eastern provinces of the Central Asia region, Tartary subcontinent of the Asia continent. Emerging from Tengri Rouran as their vassal in 460, with cores, the horde borders fellow Tengri Wusun and Tiele west, Yenisei Kyrgyz north and Rouran and Göktürks east, Mahayana Karashahr and Hephthalites south, wastelands of Tian Shan southwest and uncolonized native land northwest.
The Uighurs will be annexed by the Göktürks in 551, break from Göktürk control in 627, finally conquered by - Tengri-Vajrayana Mongolia in 1209, keeping cores and never appearing on-map again.