is located in the heart of the Khorat Plateau between the provinces of Khon Kaen to its south, and Nong Khai to its north.
It is Located approximately 546km northeast from Bangkok, it stands as a hub of transport and communications of the upper Northeast
with several tourist destinations and facilities.
Udon Thani 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 of Udon Thani often being abbreviated referred to as just "Udon".
The City of UdonThani is the capital of the province bearing the same name. This city is the biggest place in Isaan having an international airport, train station and some bus stations.
Travel agents around the world hardly promote Udon as a tourist attraction although many foreigners (farangs) live here. They discover Udon while making their visa trip to Laos or
Nongkai. Many others come here for the first time because of their friends or relatives. Once they are here they like the city.
Strategically important for the Isan region's infrastructure, Udon Thani's airport was raised to international standard in 2006 with the opening of a new terminal to compliment
its existing domestic arrival and departure building. At peak times of the year there may be as many as 20 scheduled flights per day operating in and out of Udon Thani,
thus making it one of the country's busiest domestic airports.
The province of Udon Thani has a population of around 1,6 million; the city alone has around 400.000.