Beisan County, Also calledLangfang CityBeisan County,includeSanhe City、Dachang Hui Autonomous Countyas well asXianghe County,lie inHebei ProvinceLangfang CityNorth,Beijing、TianjinThe two municipalities directly under the Central Government are not connected to the main body of Langfang City, and are the highest administrative level and largest inter-provincial enclave in China. It is also one of the new gathering places for Beijing's migrant population to migrate after saturation in Beijing.
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