Drag-yab is a Sino-Tibetan language recently documented by Suzuki & Nyima (2018). It is spoken in the southern half of Zhag'yab County, Chamdo, eastern Tibet.
Suzuki & Nyima (2018) document the dialect of Drag-yab spoken in the village of Razi 热孜村 in Xiangdui Town 香堆镇, Zhag'yab County.
Drag-yab is referred to by the Changdu Gazetteer (2005) as Zesong 则松话, and is reported by Changdu (2005) to be spoken in Zesong 则松乡 and Bari 巴日乡 townships of Zhag'yab County.
Suzuki & Nyima (2018) note that Zlarong (Larong) is closely related to two other recently documented Sino-Tibetan languages of Chamdo, eastern Tibet, namely Lamo and Larong.
- ^ a b Suzuki, Hiroyuki and Tashi Nyima. 2018. Historical relationship among three non-Tibetic languages in Chamdo, TAR. Proceedings of the 51st International Conference on Sino-Tibetan Languages and Linguistics (2018). Kyoto: Kyoto University.
- ^ Xizang Changdu Diqu Difangzhi Bianzuan Weiyuanhui 西藏昌都地区地方志编纂委员会 (2005). Changdu Diquzhi 昌都地区志. Beijing: Fangzhi Chubanshe 方志出版社.