In geography, core refers to the central or main part of a region or country which usually has higher levels of economic development and infrastructure compared to peripheral regions.
Related terms
Periphery: The outer or edge areas of a region or country that are often less developed compared to the core.
Hinterland: The surrounding area served by a central city or economic center, which is dependent on it economically.
Spatial Inequality: Unequal distribution of resources and opportunities across different regions or areas within a country.