Accurately speaking, Xi belongs to Xianyang in history. Generally speaking, the ancient capitals are all built in Xianyang. In the past, because the emperors were expanding and building many things, Xi 'an gradually took shape and Xi 'an developed rapidly. Everyone remembers Xi 'an and gradually evolved into the ancient capital Xi 'an! It is said that they are all thirteen dynasties in Xi 'an. Officially, it should all be the capital of Xianyang, and people just used to call it the ancient capital of the thirteenth dynasty of An! 、、、