 It is an uncommon one of the Hundred Family Surnames.Kuiguo 夔國 was a Warring States period state, located in present-day Zigui County (Hubei), that Chu annexed in 634 BCE.Kuizhou 夔州, located in present-day Fengjie County of Chongqing (Sichuan), was established in 619 CE as a Tang Dynasty prefecture.