Chaiyasiri was a ruler of the Singhanavati City-State Kingdom in Thailand, prior to the Sukhothai Period.
Accomplishments
According to M. de la Loubere, Chaiyasiri is said to have built the city of Pipeli in Phetchaburi Province. ==Move to Nakhon Thai==
Move to Nakhon Thai
Chayasiri, along with many of his subjects, moved to Nakhon Thai in Phitsanulok Province, making Nakhon Thai the capital of the Singhanavati Kingdom for a period of time.