在中国历史上占有重要地位的周秦汉唐王朝都选择了关中的西安一带作为自己的建都地点。虽然从周的丰镐到秦的咸阳、阿房宫,再到汉长安城、唐长安城,都城的具体位置略有不同,呈由西向东位移的趋势,但基本都集中在一个毗邻的区域内。为什么历代都将西安一带作为自己建都的首选之地呢?前人的论述基本上都着眼于整个关中的形胜地貌和丰富物产方面,如战国时期苏 Zhou Qin, Han and Tang dynasties, which occupied an important position in Chinese history, all chose Xi’an in Guanzhong as their own capital. Although the specific locations of Fengcheng in Qin Dynasty, Xianyang in Qing Dynasty, A Fanggong Palace, Han Chang’an City, Chang’an City in Tang Dynasty and Capital City slightly changed from west to east, they were mostly concentrated in an adjacent area . Why all the history of Xi’an will be the capital of their own capital as the preferred place to do? The predecessors of the discussion are basically focused on the shape of the entire Guanzhong and rich properties, such as the Warring States period, the Soviet Union