https://en.wikipedia.org/wiki/Chiang_Mai
網頁The city ( thesaban nakhon, "city municipality") of Chiang Mai officially only covers most parts of the Mueang Chiang Mai district, with a population of 127,000, dating its census area back to 1983 when Chiang Mai's city area was enlarged for the first and last time since becoming the first City Municipality in Thailand (then under Siam) in 1935.