"Nakha Pearl, Phu Pha Waterfall, Agricultural Region, Following the footsteps of King Bhumibol ” 200 years ago, Pa Khlok District was the tropical forest where various wildlife animals live. Later, Myanmar wanted to expand its power and territory so they arranged 9 troops and invaded Thalang and the coastal area. Numbers of people died and children were burnt. Later, Khun Yin Chan and Khun Ying Muk gathered people to fight with Myanmar until their supplies run out and finally retreated. Thus, this place was called “Pa Khlok” ever since.