They both deal with location, they are all separated by something (such as land charicteristics - region and borders - place) and they can be man made or natural.
even though they are not that similar they are connected in a way that place is in a region
The states of a region are similar due to climate change and geography.
a region is place
functional region
Large geographic areas with similar climates and ecosystems are called Biomes!
PredictionProtectionPreparationAll of these are for earthquake protection.
It is a region.
Australia and New Zealand
....
I don't believe there is a special name for that, so you can just use a term similar to what you wrote in the question, for example, "a region with no magnetic field".
a place is in a region, regions are large areas with many places inside.
there are both areas