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Migration and Distribution (Lack of information) The Cha surname is not listed among the top 100 surnames in the People's Republic of China and Taiwan. The Cha surname originated from an ancient place whose pronunciation was similar to "Cha". People who took this place name as their surname formed the Cha clan. Actually, during the Spring and Autumn Period, a prince of Duke Qing of Qi, the monarch of the Qi State, enjoyed the local products there. The descendants of this prince took the fief as their surname, thus forming the Cha surname. The Qi State was established by Jiang Ziya, the founding hero of the Zhou Dynasty, and Jiang Ziya was a descendant of Emperor Yan. Therefore, the ancestors of the Cha surname are very glorious. The Cha surname was most prosperous during the Ming and Qing Dynasties. According to the book *Common Surnames and Their Prestigious Counties*, the Cha clan originated from the Qi Commandery. In the long process of reproduction, the Cha surname formed many prestigious counties, mainly including the Hailing Commandery, Qi Commandery, and Jiyang Commandery. After several historical periods of reproduction and migration, the Cha surname is almost distributed across the country. For example, there are Cha clan members in Qingyuan of Liaoning, Taiyuan of Shanxi, Hancheng of Shaanxi, Hunan, Jingxian of Anhui, Jinxi of Jiangxi, Qingliu of Fujian, Chenghai of Guangdong, Congjiang of Guizhou, Hejiang of Sichuan and other places. The Cha surname ranks 171st among Chinese surnames today. It is a relatively rare surname but is widely distributed, accounting for about 0.06% of the Han population in the country. In particular, there are more people with this surname in Anhui and Jiangsu, and the Cha clan members in these two provinces account for about 85% of the Han Cha population in the country.