Zhongcheng is a city located in China. While specific geographical details regarding its administrative boundaries are not provided in the source material, it exists within the broader context of Chinese regional geography.
The surrounding region includes the Hekou Yao Autonomous County, situated in the southern part of Yunnan province. This area is part of the Honghe Hani and Yi Autonomous Prefecture and shares a border with the northern Vietnamese city of Lào Cai.