Tandag, officially the City of Tandag, is a component city and capital of the province of Surigao del Sur, Philippines. According to the 2020 census, it has a population of 62,669 people.
Sibagat, officially the Municipality of Sibagat, is a municipality in the province of Agusan del Sur, Philippines. According to the 2024 census, it has a population of 33,271 people.