Bangladesh, Bhutan, Cambodia, China (mainland), India, Laos (B), Myanmar, Nepal, Thailand, Vietnam.
Northern India (eastern from Uttaranchal Pradesh) and Nepal east to southern China (south-eastern Xizang, western Yunnan, Guangxi), Bangladesh, Myanmar (except central and south), north-western Thailand, northern Laos and Vietnam (western Tonkin, southern Annam).
 
Population
Estimated population is unknown (2010).
Grey-bellied Tesia (Tesia cyaniventer) [XC374270]
by George Wagner from Mawkdok Viewpoint Trail, Duwansing Syiem Bridge, East Khasi Hills, Meghalaya, India (song)
Grey-bellied Tesia (Tesia cyaniventer) [XC21138]
by David Edwards from Baihualing, Gaoligong Shan, Yunnan, China (song)