Udon Thani Map, Udon Guide, Udon Thani Magazine - Udon Thani Map

Udon Thani Province is located in the heart of the Khorat Plateau between the provinces of Khon Kaen to its south, and Nong Khai to its north. The city of Udon Thani, its capital, is served by the railway line that goes northeast from Saraburi through Nakhon Ratchasima (Khorat) and Khon Kaen to the border of Laos on the outskirts of Nong Khai city. Regular direct trains including night sleepers connect the city with Bangkok. The provincial capital, Udon, often referred to as just ("Ooh-dorn") is Thailand's fifth-largest MSA. In Roman script it is also often spelled Udorn.

The province is subdivided into 20 districts (amphoe). The districts are further subdivided into 155 subdistricts (tambon) and 1682 villages (muban).