Sorsogon is the southernmost province of Luzon — the final landmass before the San Bernardino Strait separates the largest island from the Visayas. It ends in Matnog, where the ferry to Samar waits, and the traveler who has been driving south from Manila reaches the edge of the island.
Donsol municipality is the reason many travelers come to Sorsogon. Every year from November to June, whale sharks — butanding in the local language — congregate in the waters off Donsol in some of the largest numbers recorded anywhere for the world's largest fish. They come to feed on the plankton blooms in the Ticao Pass.
The whale sharks of Donsol were little understood until a group of divers swam peacefully with them in December 1997 and shared the video with the media and WWF-Philippines. Research and regulated tourism followed, and Time magazine named swimming with Donsol's whale sharks the best animal encounter in Asia in 2004.
Sorsogon had 845,066 people in the 2024 census, in 14 towns and Sorsogon City, which was formed in 2000 by merging the towns of Bacon and Sorsogon. It is bordered by Albay to the north, the Philippine Sea to the east, the San Bernardino Strait to the south and the Ticao and Burias passes to the west. Roll-on/roll-off ferries leave from Matnog, Pilar and Bulan.





