Often a country will have a region inside of it's self that is called a "province" or a "state," some other times they are called "territories" and "protectorates"

Is there a name for the grouping of these words? What is the full list of words that belong to this family?

What makes these different from each-other?

Often a country will have regions called "provinces" or "states". Other times they are called "territories" and "protectorates".

1. Is there a generic term for these words?
2. Is there a full list of words that belong to this group?
3. What makes them different from each other?