Different people and organizations define geographical regions in almost the same way, but there are differences. Consider the different regions of Europe for example.
What countries do YOU think are in Western Europe? Are you sure one or two of those aren’t in Southern Europe? How do you decide?
According to the United Nations, nine (9) countries define “Western Europe”. Can you name them? I’ve included an image below to help.
You can learn more about how the UN defines world macro regions with their M.49 document.