sentences:  In the era of Ankorian king Jayavarman VII, inscription called Prasat Phra Khan (จารึกปราสาทพระขรรค์) was made and which mentions the name of "Suvarnapura".Later Suphan Buri become important city of Ayutthaya kingdom.According to Chinese Annals called "Da Ming Shi Lu" (『大明実録』), Nakharinthathirat (Intharatcha or Nakhon In), before ascending the throne of Ayutthaya, was a ruler of Suphan Buri and tribute to Chinese Emperor as a King of Supan Buri (Su Men Bang Wang or 蘇門邦王).