The Golden Horde (, Altan Ordu, Зүчийн улс, Züchii-in Uls; ; ) was a Mongol and later Turkicizedkhanate established in the 13th century and originating as the northwestern sector of the Mongol Empire. With the fragmentation of the Mongol Empire after 1259 it became a functionally separate khanate. It is also known as the Kipchak Khanate or as the Ulus of Jochi.