Papaya is native to the east. Or Laos. But yea. Papaya is a modern food. About 40 years due to the advent of papaya. Plants are imported from Malaysia.
Papaya salad is a traditional food of the Northeast or in Laos, but in fact it is just too modern advent come about only 40 years since the papaya plant is imported from Malaysia.
spicy green papaya salad is a regional food in the northeast of Thailand or Laos, but really grated food is a modern was born about 40 years ago only because papaya crop is imported from Malaysia.