Wat Phrai Patthana is located in Phu Sing district in an area where the population speak mostly Khmer or Laotian. It is built in Khmer art style and dedicated to the revered monk Luang Phu Suang who captivated his audiences with his unique style of teaching. A feature of Luang Phu Suang’s life was it’s longevity earning him the nickname Luang Phu Suang Ha Roy Phi (500 years old). More information about his life can be found using the link below.

Source: https://thailand-temples.org/wat-phrai-phattana/