Isan is divided into 20 provinces, grouped into three statistical subregions.
Nakhon Ratchasima Province is considered by some to be in central Thailand.

Note: Populations as of 31 December 2018.

Isan returns 136 of the national parliament's 400 constituency MPs.
In the 2005 election, the Thai Rak Thai party took 126 of these seats, with six for Chart Thai and two each for the Democrat party and Mahachon Party.
Isan is divided into 20 provinces, grouped into three statistical subregions. Nakhon Ratchasima Province is considered by some to be in central Thailand.
Note: Populations as of 31 December 2018.
Isan returns 136 of the national parliament's 400 constituency MPs. In the 2005 election, the Thai Rak Thai party took 126 of these seats, with six for Chart Thai and two each for the Democrat party and Mahachon Party.
Isan