Chongzuo city. Baidu map shows that daxin county is a border county in Guangxi, China, located in the southwest of Guangxi, and a county under the jurisdiction of Chongzuo City, Guangxi Zhuang Autonomous Region. Daxin county has a long history, and there are traces of human activities in the early Neolithic period. It is a region with a long period of Tusi rule and a relatively complete system, and it is also one of the six longan bases in China.