Koh Phangan is located in Jangwat (province) Suratthani in the Southern Gulf of Thailand and is part of the group of islands that make up the Samui Archipelago; a group of over 40 islands fashioned in granite from age old igneous formations.

The provincial capital is also called Suratthani and acts as the main overland transport hub for the islands. Koh Phangan is 70kms from the mainland and approximately 12kms away from Koh Samui which acts as the main air link to Koh Phangan.