a geographically central area having crucial economic, political, or strategic importance
A central region, especially one that is politically, economically, or militarily vital to a nation, region, or culture.
- The central part of a region defined by geographical or non-geographical criteria.
- It was in the heartland of the French wine growing areas.
- The home counties are the Conservative heartland.
- The part of a region considered essential to the viability and survival of the whole.