Surigao del Sur is located along the northeastern coast of Mindanao facing the Philippine Sea between 125°40′ to 126°20′ east longitudes and 7°55′ and 9°20′ north latitudes. It is bounded on the northwest by the province of Surigao del Norte, on the southeast by Davao Oriental, on the west and southwest by Agusan del Norte and Agusan del Sur.