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Isaan is completely landlocked and resides on the Korat plateau, situated well above the central basin, the Chao Praya plains and Bangkok. In the North, East and South-East Isaan's border is marked by the Mekong River.
Isaan is a multicultural area where Laos, Cambodia and Thailand meet. Isaan has a rich history and culture. A mainly agricultural region, Isaan is the poorest part of Thailand.
The population of Isaan is around 22 million people.
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- Amnat Charoen
- Buriram
- Chaiyaphum
- Kalasin
- Khon Kaen
- Loei
- Maha Sarakham
- Mukdahan
- Nakhon Phanom
- Nakhon Ratchasima (Khorat)
- Nong Bua Lamphu
- Nong Khai
- Roi Et
- Sakon Nakhon
- Si Saket
- Surin
- Ubon Ratchathani
- Udon Thani
- Yasothon
- Buriram
- Khon Kaen
- Nakhon Ratchasima (Khorat)
- Nong Khai - gateway to Vientiane, Laos
- Sakon Nakhon
- Surin
- Ubon Ratchathani
- Udon Thani
- Yasothon
- Mahasarakham