Longzha () is a historic Yao ethnic township located in the extreme south of Yanling County, Hunan, China. As a historic division of Yanling, Longzha was originally a part of Dingzhi Township (定治乡) in 1949. Longzha Yao Ethnic Township was created in August 1958, it was reorganized as a production brigade of Longzha (龙渣大队) in Zhongcun Commune in 1958, and reorganized as a village of Longzha (龙渣村) in Zhongcun Township in 1984. Dividing four villages in southern Zhongcun Township, Longzha Yao Ethnic Township was re-established in February 1985.xzqh.org: Dongfeng Township / 龙渣瑶族乡 (Apr. 19 2011) (Chinese / 中文) On November 20, 2015, With Zhongcun Township and Pingle Township, Longzha was merged to the new Zhongcun Yao Ethnic Township.the divisions of Yanling County in 2015, according to the result on adjustment of township-level administrative divisions of Yanling County on November 20, 2015 《关于同意炎陵县乡镇区划调整方案的批复》(湘民行发〔2015〕57号) rednet (20-Nov-15), zznews.gov
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