The fact they are called "regions" implies that the areas the series takes place in are parts of a bigger country. Over time however it seems regions have become more similar to individual countries.
Is it accurate or not? From what I've seen, ever since Unova at least, regions are treated like countries instead of regions in one big country.
On this example:
Is it accurate or not? From what I've seen, ever since Unova at least, regions are treated like countries instead of regions in one big country.