Tartary

geographical name
Tar·​ta·​ry | \ ˈtär-tə-rē How to pronounce Tartary (audio) \
variants: or less commonly Tatary \ ˈtä-​tə-​rē How to pronounce Tatary (audio) \

Definition of Tartary

a vast historical region in Asia and eastern Europe roughly extending from the Sea of Japan (East Sea) to the Dnieper River