What is another name for a core region in geographical terms?

In geographical terms, a core region is often referred to as a metropolis. This is due to the characteristics associated with core regions, which are typically areas that are economically developed, densely populated, and serve as focal points for culture, commerce, and political power. Metropolises are central hubs that exert influence over surrounding areas, making them critical to the functioning of the broader region or country.

The term "periphery" is used to describe areas that are less developed and often depend on the core for resources and economic activity, distinguishing them from core regions. "Region" is a general term that does not specifically denote a core area and can refer to any defined space within geographic study. Similarly, "suburb" refers to residential areas situated on the outskirts of a city, which do not embody the same economic or cultural dominance associated with core regions or metropolises. Thus, the association of core regions with metropolises highlights their role as central, influential areas within a geographical context.