Surigao del Sur and Surigao del Norte are neighboring provinces in the Caraga Region of Mindanao, Philippines. Surigao del Sur is located along the northeastern coast, while Surigao del Norte is an archipelago province at the northeastern tip of Mindanao, including Siargao and other islands.

https://elibrary.judiciary.gov.ph/thebookshelf/showdocs/2/21345#:~:text=June%2019%2C%201960%20%5D-,AN%20ACT%20TO%20CREATE%20THE%20PROVINCES%20OF%20SURIGAO%20DEL%20NORTE,6.