Nepal Bhasa (also known as Newari ) is one of the major languages of Nepal. It is one of roughly five hundred Sino-Tibetan languages, and belongs to the Tibeto-Burman branch of this family. It is the only Tibeto-Burman language to be written in the Devanagari script. It is spoken mainly by the Newars, who chiefly inhabit the towns of the Kathmandu Valley. Although Nepal Bhasa is classified as a Sino-Tibetan language, it has been greatly influenced by the Indo-Aryan languages. It is one of the oldest language in Sino-Tibetan Language.