Mueang Chiang Mai is the capital district of Chiang Mai province in northern Thailand. The district contains the city municipality of Chian…Mueang Chiang Mai is the capital district of Chiang Mai province in northern Thailand. The district contains the city municipality of Chiang Mai and is part of the Chiang Mai urban area. The area of Mueang Chiang Mai district was the central part of the Lanna Kingdom, named Nopphaburi Si Nakhon Phing Chiang Mai. King Mengrai the Great was the first king of the Mengrai dynasty, who established the city.