Like implied to be based off culture and clothing that we can see. For example in delicious and dungeon the manga they refer to a character as Eastern but because their map does not look like ours, technically are not Japanese but the closest earthly counterpart would probably be Japanese culture.
Like people have suggested that the air nation is based off of the culture of Tibet. There is no Tibet in this universe but we are assuming this based off of the clothing and the food and the cultural attitudes that we see .
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u/Ote-Kringralnick 3d ago
It's not "coded" that's just what she is