The regions that are based on political boundaries are the Formal region, Option A. This is further explained below.
Generally, A vernacular region is a place in which people exist as an integral part of their cultural identity. This type of territory is also sometimes referred to as a perceptual region. The perceptual zones that people have differ from one another. They originate from a person's own feeling of place in the world. The South is a good example of an area that uses its own vernacular language.
In conclusion, A formal area is defined by a border that is governmental, administrative, or political in nature, and it may include political as well as physical limits that are indisputable and cannot be contested. Formal borders are what differentiate one state, province, or country from another. This includes nations.
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