The monograph is devoted to the actual and one of the least studied topics - the birth and formation of the Crimean Khanate. The work presents materials related to the history of Crimea, revealing its place in world history. It contains collected, systematized and analyzed the latest achievements of researchers studying the history of the Horde and post-Horde states. The publication is intended for historians and specialists dealing with the history of the late Horde and the emergence of Tatar state formations on its fragments. The formulated provisions and conclusions can be useful for writing both scientific research on the history of the East European region, in particular interstate relations of the Kingdom of Poland, the Grand Duchy of Lithuania, Moldova, the Grand Duchy of Moscow, the Great Horde, the Ottoman Empire, and all those who are interested in the history of the Crimean Khanate.