The Biao language is a Tai–Kadai language spoken in southwestern Huaiji County

Huaiji County

Huaiji County is a county of Guangdong Province, China. It is under the administration of Zhaoqing city....

 and Fengkai County

Fengkai County

Fengkai County is a county of Guangdong Province, China. It is under the administration of Zhaoqing city....

, Zhaoqing

Zhaoqing

Zhaoqing is a prefecture-level city of Guangdong province in southern China.-Geography:Zhaoqing is located 110 km northwest of Guangzhou, in the west Pearl River Delta. It lies on the north shores of the Xijiang River, which is flows from west to east, and opposite of Gaoyao...

, Guangdong

Guangdong

Guangdong is a province on the South China Sea coast of the People's Republic of China. The province was previously often written with the alternative English name Kwangtung Province...

. Variants of Biao include the Shidong 诗洞, Yonggu 永固, Qiaotou 桥头, and Dagang 大岗 dialects (Liang 2002:3). In Fengkai County

Fengkai County

Fengkai County is a county of Guangdong Province, China. It is under the administration of Zhaoqing city....

, it is spoken in Chang'an 长安, Jinzhuang 金装, and Qixing 七星.

Like Lakkja

Lakkja language

The Lakkja language is a Tai–Kadai language spoken in Jinxiu Yao Autonomous County, Laibin 来宾, east-central Guangxi, China. Lakkja people are also known as the Chashan Yao, or Tea Mountain Yao, since they were traditionally considered by neighboring peoples to be a Miao–Yao people. The name...

, the genetic affiliation of the Lakkja language within the Tai–Kadai family is uncertain, although it could be coordinate with or within the Kam–Sui languages.