Satun is a small province in the south of Thailand that borders Malaysia, facing the Andaman Sea. The province possesses renowned picturesque islands with verdant forests and mountainous land. The majority of the locals is Muslim. It is located 973 kilometres from Bangkok and occupies an area of 2,478 square kilometres with 80 kilometres of coastline.

Most of the area is mountainous, with plains in the centre near the coast. Brooks lie in the east of Satun, mangroves can be found along the coast and there are more than 100 offshore islands. Famous islands are Ko Tarutao Ko Adang and Ko Rawi and Mu Ko Phetra .

Satun is administratively divided into 6 districts and 1 sub-district: Amphoe Muang Satun, Amphoe Khuan Don, Amphoe Tha Phae, Amphoe Khuan Kalong, Amphoe La-ngu, Amphoe Thung Wa, and King Amphoe (sub-district) Manang.