Rayong name appears in the Chronicle on the year 2113 in the reign of King Dlamini of Ayutthaya. The traditional history based on the assumption that. It was founded around the year 1500 when the city was a Khmer powerful booming bar Suvarnabhumi. Archaeologists have found evidence of the presumed remains of the laterite camp guide. Extant in Ban Khai. The Khmer Arts Building. In ancient times Rayong is a native of the envelope. Which are typically dispersed tribes who lived in the East. In one mentioned in Rayong late Ayutthaya period. During the Ayutthaya close to the Burmese was the second.