765,000 in China (2004). 745,000 in the Dejing area (Jingxi, Napo, and Debao Counties, Guangxi).
Guangxi Zhuang Autonomous Region, most Zhuang populations of Jingxi, Debao, and Napo counties; Yunnan Province, Funing county, scattered in Bo’ai, Xinhua, Zhesang, Dongbo, Guichao, and Banlun townships and districts. Also in Viet Nam.
Caj coux (Jiazhou, Zouzhou), Fouh (Fu), Sengh (Sheng), Tianbao (Dianbao, Tianpao), Yang (Tuhua, Yangyu). Most similar languages are Nong Zhuang [zhn], Zuojiang Zhuang [zzj], Yongnan Zhuang [zyn], and other Nung languages of Viet Nam. Lexical similarity: 70% with Nong Zhuang [zhn], Yang [zyg], Yongnan [zyn], Zuojiang, and Dai [zhd], 65% with Yongbei Zhuang [zyb].
Officially classified within Zhuang nationality. Traditional religion, Daoist, Buddhist (Mahayana).