The Tamang, are a Tibeto-Burman ethnic group of Nepal, Southern Bhutan and North India. In Nepal, Tamang people constituted 5.6% of the Nepalese population at over 1.3 million in 2001, increasing to 1,539,830 as of the 2011 census. The Tamang people are concentrated in the central hilly region of Nepal. Indian Tamangs are found in significant numbers in the state of Sikkim and the districts of Darjeeling and Kalimpong in West Bengal state. Bhutanese Tamangs are native to various districts in the southern foothills of the Kingdom of Bhutan. Such districts include the Tsirang District, the Dagana District, the Samtse District, the Chukha District, the Sarpang District and the Samdrup Jongkhar District. Tamang language is the fifth most-spoken language in Nepal.

Langtang Valley also known as Lamtang Valley is a Himalayan valley in the mountains of north-central Nepal, known for its trekking routes and natural environment.