The Kimek Khanate, (Turkish: Kimek Hanligi) also spelled Kimäk Khanate and Kimak Kaganate, was a prominent medieval Turkic state formed by the Kimek and Kipchak people in the area between the Ob and Irtysh rivers. From approximately 743 to 1050, it existed as the Kimak Kaganate, and as the Kimak Khanate until the Mongol conquest in the early 13th century.