Map of independent Tartary (in yellow) and Chinese Tartary (in violet), in 1806.

Tartary was a blanket term used by Europeans for the areas of Central Asia, North Asia, and East Asia unknown to European geography. It encompassed the vast region of the Pontic-Caspian steppe, the Volga-Urals, the Caucasus, Siberia, Inner Asia, Mongolia and Manchuria.

https://en.wikipedia.org/wiki/Tartary

accessed 30Apr20