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A central region, especially one that is politically, economically, or militarily vital to a nation, region, or culture.
1. (Government, Politics & Diplomacy) the central region of a country or continent
2. the core or most vital area: the industrial heartland of England.
1. that part of a region considered essential to the viability of the whole, esp. a central land area relatively invulnerable to attack and capable of self-sufficiency.
2. any central or vital area, as of a state, nation, or continent.
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|Noun||1.||heartland - the central region of a country or continent; especially a region that is important to a country or to a culture|
region - a large indefinite location on the surface of the Earth; "penguins inhabit the polar regions"