Mae Hong Son Province is situated in northern and northwestern Thailand at 17° 38′ - 19° 48′ N and 97° 20′ - 98° 39′ E and furthest from Bangkok in the north at a distance of approximately 924 km. It boasts an area of approximately 12,681.259 km² or around 7,925,812.5 rai, which is third largest in Northern Thailand