Hlersu language
Hlersu (Lesu 勒苏), or Sansu (Shansu 山苏/散苏), is a Loloish language of Yunnan Province, China.  It is spoken in Xinping, Jinping, Zhenyuan, Eshan (as Shansu 山苏), and (as Sansu) Yuanjiang County.

Background
Hlersu (autonym: ; exonym: ; ) autonym reported in Yunnan (1955)) is spoken by ethnic Hlersu people, who live in 13 townships (50 administrative villages and 143 hamlets). There are 4,040 households and 15,737 individuals in Xinping, Yuanjiang, and Eshan counties (Xu & Bai 2013:1). The ethnic population of each township is as follows.

Xinping County
Pingdian 平甸乡 (1,862 people)
Guishan 桂山镇 (756 people)
Yangwu 杨武镇 (1,203 people)
Xinhua 新化乡 (2,205 people)
Laochang 老厂乡 (381 people)
Yaojie 腰街镇 (255 people)
Gasa 嘎洒镇 (155 people)
Mosha 漠沙镇 (412 people)
Yuanjiang County
Ganzhuangjie 甘庄街道 (3,950 people)
Wadie 洼垤乡 (102 people)
Longtan 龙潭乡 (1,560 people)
Eshan County
Tadian 塔甸镇 (1,725 people)
Fuliangpeng 富良棚乡 (371 people)
Shiping County
Daqiao 大桥乡 (312 people)
Baoxiu 宝秀镇 (433 people)
Shuangbai County (81 people)

Speakers refer to their language as  (Xu & Bai 2013:62). The Hlersu dialect documented by Xu & Bai (2013) is that of Pujiehei 普杰黑, Daxi Village 大西村, Tadian Town 塔甸镇, Eshan County.

References

Xu Xianmin [许鲜明], Bai Bibo [白碧波] (2013). A study of Shansu [山苏彝语研究]. Beijing: Ethnic Publishing House [民族出版社]. 

Loloish languages