Mueang Chiang Rai (Thai: เมืองเชียงราย, pronounced [mɯəŋ tɕʰiəŋ raːj]; Lanna:ᩮᨾᩥᩬᨦᨩ᩠ᨿᨦᩁᩣ᩠ᨿ: Mueang Chiang Hai; Lao: Mueang Xieng Hai) is a city in Mueang Chiang Rai District, Chiang Rai Province. Chiang Rai is the northernmost large city in Thailand. It was established as a capital city in the reign of King Mangrai, in 1262 CE.