he city of Kamphaeng Phet derives its name from the ancient walls protecting it. Kamphaeng Phet translates to “wall of diamonds”.
The town was an important part of the defense system of the Sukhothai Kingdom. Kamphaeng Phet was a “wang” or garrison town to protect the capital Sukhothai from invasion by Burmese armies. The town was situated in a strategically important location and was well protected with a system of moats, city walls with watchtowers and fortresses.
During the reign of King Luethai the town was moved to the East of the Ping river and its named changed to Cha Kang Rao.