In Phongsaly Province, Laos, Phongset is spoken in Phongset village, Bun Neua District (Shintani 2001).
References
Shintani, Tadahiko, Ryuichi Kosaka, and Takashi Kato. 2001. Linguistic Survey of Phongxaly, Lao P.D.R. Tokyo: Institute for the Study of Languages and Cultures of Asia and Africa (ILCAA).
Wright, Pamela Sue. n.d. Singsali (Phunoi) Speech Varieties Of Phongsali Province. m.s.