Bunu, Bu-Nao (Bunu Proper)
| Nationality Classification | 瑶族 Mien (Yao) | 
|---|---|
| Language or Dialect Name (Chinese) | 布努语布-瑙方言 | 
| Language or Dialect Name (English) | Bunu, Bu-Nao (Bunu Proper) | 
| ISO 639-3 Code | bwx | 
| Language Stock Classification | 苗瑶语族 Hmong-Mien | 
| Primary Province or Region | 广西壮族自治区 Guangxi Zhuang Autonomous Region | 
| Location (in China) | Western Guangxi Province in 22 counties: Du’an, Bama, Dahua, Lingyun, Nandan, Tiandong, Tianyang, Pingguo, Fengshan, Donglan, Hechi, Mashan, Bose, Tianlin, Leye, Tiandeng, Xincheng, Shanglin, Long’an, Debao, Laibin, Luocheng; Guizhou Province's Libo count | 
| Estimated Speaker Population (in China) | 360,000 | 
| Speaker Population Year of Estimate | 2001 |