The House of Giray, also the Girays, were a Genghisid Turkic dynasty that reigned in the Khanate of Crimea from its formation in 1431 until its downfall in 1783. The dynasty also supplied several khans of Kazan and Astrakhan between 1521 and 1550. Apart from the royal Girays, there was also a lateral branch, the Choban Girays.