Coordinates: 8°12′47.29″N 126°18′57.38″E / 8.2131361°N 126.3159389°E / 8.2131361; 126.3159389

Bislig City is a 3rd class city in the province of Surigao del Sur, Mindanao, Philippines. Bislig is approximately 208 kilometers northeast of Davao City, 152 kilometers south of Tandag City (the provincial capital) and 158 southeast of Butuan City. According to the 2010 census, it has a population of 111,133 people in 20,402 households.

Barangay Mangagoy, the downtown area often dubbed as "the little city within the city", is the center of trade and industry of Bislig which has a population of 50,000. It is the largest barangay in the city and happens to be arguably the largest barangay in the entire Philippines in terms of land area. It houses national and local banks. Telecommunication such as Internet, cellular phones, cable televisions and leased data lines are well-available in the vicinity of Mangagoy. There are also accommodating inns and hotels, as well as motorized tricycles, jeepneys, and buses ply its concrete roads and highways.