Davao Region Davao del Norte. Davao del Norte (Filipino:Hilagang Dabaw), and once known simply as Davao, is a province of the Philippines located in the Davao Region in Mindanao. Its capital is Tagum City. It borders the province of Agusan del Sur to the north, Bukidnon to the west, Compostela Valley to the east, and the city of Davao to the south. Davao also includes Samal Island to the south in the Davao Gulf. The province of Compostela Valley used to be part of Davao until it was made into an independent province in 1998. Before 1967, the four provinces—Davao, Davao Oriental, Davao del Sur, and Compostela Valley—were once a single province named Davao. The Davao Region covers this historic province.