Surigao del Norte (Surigaonon: "Probinsya nan Surigao del Norte"; ; Tagalog: "Hilagang Surigao") is a province in the Philippines located in the Caraga region of Mindanao. The province was formerly under the jurisdiction of Region 10 (Northern Mindanao). Its capital is Surigao City. The province comprises two major islands—Siargao and Bucas Grande—in the Philippine Sea, plus a small area at the northeastern tip of mainland Mindanao and other surrounding minor islands and islets. This mainland portion borders Agusan del Norte - between the Municipality of Alegria, Surigao del Norte and the Municipality of Kitcharao, Agusan del Norte; and Surigao del Sur, to the south.