Davawenyo is the principal native language of the Davao region, Butuanon for Butuan and Surigaon for Surigao del Sur and Surigao del Norte provinces though there is a high degree of bilingualism in Cebuano among their speakers.
Davawenyo is the principal native language of the Davao region, Butuanon for Butuan and Surigaon for most of Caraga region. However, there is a high degree of bilingualism in Cebuano among their speakers.