"An" originated from
An came from ethnic minorities in the western regions, with three branches: First, according to the Book of the New Tang Dynasty. The Prime Minister's Pedigree Table, Prince An Qing, the prince of the country of peace (northeastern Iran), devoted himself to Buddhism and came to settle in Luoyang, Kyoto at that time (see the "An Shigao" section of this website, and later, In the Northern and Southern Dynasties, another prince came to China to settle down, also known as an. Two: changed by the compound surname of Xianbei nationality. According to the Records of Wei Shu Guan Shi, in the Northern and Southern Dynasties, there was an Anchi surname in the Northern Wei Dynasty. After moving to Luoyang with Emperor Xiaowen of Wei, he settled in the Central Plains and took the Han surname An. Three: It is one of the "Nine Surnames of Zhaowu". (See "He" surname), Anguo's former address is in Bukhara, Uzbekistan today. Once under the jurisdiction of the Tang Dynasty, Emperor Yonghui of the Tang Dynasty was attached to the Central Plains, and later was an. Also, An Lushan, a conference semifinal in the Tang Dynasty, was originally named Kang, but assumed the surname An.
Migration and distribution
In the pre-Qin period, An surname was rarely known. After entering the Eastern Han Dynasty, An's main activities were in the Central Plains and Hexi Corridor. During the Tang Dynasty, the surname An developed rapidly. However, due to the An Lushan Rebellion, the surname An in Henan changed to other surnames, and the population decreased. During the Song Dynasty, there were about 14, people surnamed An, accounting for .19% of the national population, ranking ninetieth. The largest province with an surname is Sichuan, accounting for about 25% of the total population of an surname in China. The distribution in China is mainly concentrated in Sichuan, Shanxi, Henan and Hebei provinces, accounting for 74% of the total population of An, followed by Shaanxi, Shandong, Guangxi, Gansu, Zhejiang and Fujian. An surname gathering area centered on Sichuan I and Henan, Hebei and Shanxi has been formed throughout the country. During the Ming Dynasty, the population of An declined sharply, with about 8, people, accounting for .9% of the national population, ranking behind the 15th. The distribution in China is mainly concentrated in Guizhou and Shanxi provinces, accounting for about 4% of the total population of An. Guizhou is the largest province with an surname, accounting for 21% of the population. Secondly, it is distributed in Hebei, Jiangsu, Sichuan, Shaanxi, Shandong and Henan, and the An surname in these six provinces is concentrated by 51%. During the Song, Yuan and Ming Dynasties, the population of An surname decreased a lot, and its general distribution pattern changed little. The population mainly migrated from the north to the southwest and southeast. The whole country has formed an surname gathering place centered on Sichuan, Guizhou, Shanxi, Hebei and Henan.
The population of An surname of contemporary Han nationality is 1.7 million, which is the 11th surname in China, accounting for about .14% of the national population. In the 6 years since the Ming Dynasty, the population of An surname has increased from 8, to 1.7 million, reaching 21 times, and the growth rate of An surname population is higher than that of the whole country. During the 1 years since the Song Dynasty, the population growth rate of An's surname is V-shaped. At present, the distribution of An surnames in China is mainly concentrated in Hebei, Anhui, Shandong and Liaoning provinces, accounting for about 45% of the total population of An surnames in China, followed by Henan, Heilongjiang, Shanxi, Gansu, Shaanxi and Guizhou, and the `An surnames in these six provinces are concentrated by 37%. Hebei is the largest province with an surname, accounting for 13% of the total population of an surname. The whole country has formed an extended and high-rate distribution belt with the Bohai Bay as the center, reaching Gansu in the west and Anhui in the south. An surname is widely distributed, but it is unevenly distributed in the crowd. The schematic diagram of the distribution frequency of An surname in the population shows that in Beijing-Tianjin-Hebei, Shanxi-Shaanxi-Ningxia, most of Gansu, eastern Qinghai, northern Sichuan, northern Guizhou, most of Henan-Shandong, northwestern Hubei, northern Anhui, northwestern Jiangsu, most of Inner Mongolia and Heijiliao, the proportion of An surname in the local population is generally above .24%, and the central area can reach above .6%, and the coverage area of the above areas accounts for about 32.4% of the total area of the country. In northeastern Inner Mongolia, eastern Shandong, southern Henan, most of Hubei, central Anhui, Yunnan, most of Sichuan, Guizhou and Guangxi, Chongqing, western Hunan and northwest Xinjiang, the proportion of An's surname in the local population is between .12% and .24%, and its coverage area accounts for 24% of the country's total area, and about 23% of the people with An's surname live in this area.