The history of the city of Ratchaburi dates back to the Dvaravati period, when it was an important city of the Mon kingdom. Of the city of Khu Bua nearby only ruins remains. According to legend it dates back to the mythical Suvannabhumi kingdom predating Dvaravati.
"Ratchaburi" means "the land of the king".[3] Ratchaburi dates back to ancient times and was important during the Dvaravati period. The city of Ratchburi is on the banks of the Mae Klong River and was a town of the Suvarnabhumi Kingdom. Burma lies to its west with the Tanaosi range (Tenasserim Hills) forming the border.