The first Southern province bordering the Indian Ocean is Ranong, located some 568 kms. from Bangkok. Ranong is very famous even though it is very small occupying an area of only 3,298 square kilometers, because it is Thailand's rainiest province, and also its narrowest.
The Kra Isthmus, the narrowest part of the Malayan Peninsula is Located here. Ranong is a longnarrow plot of land extending 169 kms. from north to south, and only 9m kms. at its narrowest. Most of the province is rainforested mountains bordering on Chumphon to the north, Surat Thani and Phangnga to the south, Chumphon to the east and Myammar to the norhtwest.
Ranong is administratively divided into four Amphoes and one King Amphoe Amphoe Muang, Kra Brui, Kapoe, La-un and King Amphoe Suk Samran.