Originally posted by Aleksay
I don't quite understand where are the approximate borders of the Hundred Kingdoms region lie. Is there any canon about this? How large is the region itself, how far north and south it spreads (as for width, I suppose it's about from Nexus to Lesser Rock River)?
The specifics are ambiguous because it's a description rather than a political entity; whether or not any given state is a part of the Hundred Kingdoms depends on who you ask. But a good rough guideline is the area between the Lesser Rock River and the eastern Yellow River, so the area bounded by Nathir, Marita, Greyfalls, and Mist Island. We'll provide more detail in Across the Eight Directions