Limbu is a Sino-Tibetan language spoken in Nepal, India (Darjeeling, Kalimpong, Sikkim, Assam, and Nagaland), Bhutan, Burma, Thailand, UK, Hong Kong, Canada, and USA. It is falsely believed that Limbus/Yakthungs are multi-lingual, but there are hundred and/or thousand of Yakthungs who speak only in Yakthungpan (Limbu language). Limbus refer to themselves as Yakthung and their language as Yakthungpan. Yakthungpan has four main dialects such as Phedape, Chhathare, Tambarkhole, and Panthare dialects. The theoretical concept of four major Yakthungpan dialects is much more ideological because scholars, writers, and linguists have not yet done scientific research on the Yakthungpan, spoken in Sikkim, Bhutan, Assam, Burma, and Thailand. Meaning, there can be definitely more than four Yakthungpan