Boromma Chayasiri

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 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.