Cambodia

Cambodia officialy the Kingdom of Cambodia is a kingdom that was founded in 24 September 1993 and was former part of France. It is located in Indochina and it borders Vietnam, Thailand, and Laos. It is one of the poorest countries in its region and its a unitary parilamentary constitutional monarchy.

It is a member of ASEAN and was once in a war with Vietnam in the past. Most of its people speak Khmer, although there are some native tribes and some speak Thai or Chinese.

Eridan
It gets conquered by Thailand after ASEAN is destroyed.