The Han Chang'an City is located on the Guanzhong Plain south of the Wei River, covering an area of ??about 36 square kilometers. During the Western Han Dynasty, Chang'an City, as the capital, has always been the political and political center of the country... In the seventh year of Emperor Gaozu (200 BC), he ordered Xiao He to build Weiyang Palace. In the same year, the capital was moved from Liyang City to this place. It was named because it was located in Chang'an Township. For the city of Chang'an.