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Nan (Thai: น่าน, pronounced [nâːn]; Northern Thai: ᨶᩣ᩠᩵ᨶ) is one of Thailand's seventy-six provinces (changwat) lies in upper northern Thailand. Neighboring provinces are (from south clockwise): Uttaradit, Phrae, and Phayao. To the north and east it borders Sainyabuli of Laos.