is a major Buddhist temple (wat) in Phra Nakhon district, Bangkok, Thailand. The temple is a center of the Thammayut Nikayaschool of Thai Theravada Buddhism and has been a major temple of patronage for theChakri dynasty.[2] It is the shrine-hall of Phra Phutthachinasi (พระพุทธชินสีห์) which was moulded in about 1357. It is where many royal princes studied and served their monkhood, including king Bhumibol.