This place, Hanzhong, existed in most dynasties in history (such as Qin, Tang and Song). ) as a national administrative region. For example, Hanzhong County was established in the Qin Dynasty and was one of the 36 counties in the Qin Dynasty. In the mid-Tang Dynasty, Hanzhong was the capital of Shannan West Road, and in the Northern Song Dynasty, Hanzhong was the seat of Lizhou Road. Since the Yuan Dynasty established Shaanxi Province, Hanzhong has become a part of Shaanxi Province. From the Xia Dynasty to the Western Zhou Dynasty, China has praised countries. It belongs to Liangzhou and Yongzhou successively. During the Spring and Autumn Period and the Warring States Period, the territory was Nanzheng, which belonged to Bashu and Qin successively. In 3 12 BC, Hanzhong county was established in Qin dynasty, which was one of the 36 counties in the early Qin dynasty. Nanzheng (now Hanzhong City, Shaanxi Province) was founded in the early Qin Dynasty.

Hanzhong, located in the southwest of Shaanxi Province, has been called "Land of Abundance" and "Land of Fish and Rice" since ancient times. It is one of the three central cities in Qinba Mountain area, a national historical and cultural city, an excellent tourist city in China and a pilot area for the construction of a national ecological demonstration zone. ? Hanzhong is the birthplace of the Han Dynasty, the source of the Han River, the largest tributary of the Yangtze River, and has the reputation of "the birthplace of the Han family and the cornucopia of China". It now governs 11 counties including Hantai District, Nanzheng, Chenggu, Mianxian, Yangxian, Xixiang, Ningqiang, Lueyang, Zhenba, Liuba and Foping, and a national economic and technological development zone with a population of 3.8 million.

Hanzhong starts from Qinling Mountains in the north and reaches Daba Mountain in the south, with a total area of 27,246 square kilometers. In the meantime, it is the Hanzhong Plain where the Hanshui River is alluvial. Hanzhong has a subtropical climate, with a Qinling barrier in the north, which is not easy to be attacked by cold current and has a mild and humid climate.