Chocangacakha is a Southern Tibetan language spoken by about 20,000 people in the Kurichu Valley

Kuri Chhu

The Kuri Chhu, also known as the Lhobrak, is a major river of eastern Bhutan, that has formed a scenic valley with high peaks and steep hills...

 of Lhuntse and Mongar District

Mongar District

Mongar District is one of the 20 dzongkhags comprising Bhutan. Mongar is the fastest-developing dzongkhag in eastern Bhutan. A regional hospital has been constructed and the region is bustling with many economic activities. Mongar is noted for its lemon grass, a plant that can be used to produce...

s in eastern Bhutan

Bhutan

Bhutan , officially the Kingdom of Bhutan, is a landlocked state in South Asia, located at the eastern end of the Himalayas and bordered to the south, east and west by the Republic of India and to the north by the People's Republic of China...

. Chocangacakha is a "sister language" to Dzongkha, however under pressure to assimilate into the mainstream Dzongkha speaking Ngalop

Ngalop

The Ngalop are people of Tibetan origin who migrated to Bhutan as early as the ninth century. For this reason, they are often referred to in literature as "Bhote"...

culture, this proximity has resulted in significant loss of its particularly distinctive "Kurichu linguistic substrait."