Surigao del Sur (Surigaonon: Probinsya nan Surigao del Sur; Cebuano: Habagatang Surigao; Tagalog: Timog Surigao), officially the Province of Surigao del Sur, is a province in the Philippines located in the Caraga region in Mindanao. Its capital is Tandag City. Surigao del Sur is situated at the eastern coast of Mindanao and faces the Philippine Sea to the east.