|Region||parts of Davao Oriental, Mindanao|
|360,000 (2000 census)|
Spoken by some areas of Surigao del Sur (the city of Bislig and the municipalities of Barobo, Hinatuan, Lingig, Tagbina, Lianga, San Agustin, Marihatag and Davao Oriental). It is closely related to Surigaonon (Tandaganon).
Kamayo is a dialect widely used by the Mandayas in the Davao Oriental areas.