The Masbate Sorsogon live mainly in Juban and Casiguran, Sorsogon (Bicol Region). An estimated 85,000 speak their language, which is based on the dialect of Naga City.
Sources:
Wow! Bicol Philippines. http://www.wowbicol.com/.
Lewis, M. Paul (ed.), 2009. Ethnologue: Languages of the World, Sixteenth edition. Dallas, Tex.: SIL International. Online version: http://www.ethnologue.com/.
