Wat Phaya Mangrai (; "Temple of King Mangrai") is a ruined temple located within the Wiang Kum Kam archaeological site, very close to the south-eastern side of Wat Phrachao Ong Dam. It is named after the historic figure Mangrai the Great.
References
Oliver Hargreave: Exploring Chiang Mai, City, Valley & Mountains. Within Books, 4th Edition, 2013.