Qinling Mountains in the north, Bashan Mountain in the south and Hanzhong Basin in the middle. Since ancient times, it has been called "land of abundance" and "land of plenty". It borders Ankang, Xi and Baoji in the east and north, and Gansu and Sichuan provinces in the southwest. The total area is 27,246 square kilometers. The total population is 3852 1 000. Formerly known as Nanzheng, Xingyuan, Liangzhou and Tianhan, referred to as "Han" for short, it is a prefecture-level city in Shaanxi Province and is known as "Tianhan", "Hometown of Han People" and "Hometown of Han People".