1. The central or most important region of a country, area, or territory, typically characterized by strong cultural, political, or economic significance.
Usage: Usually plural; refers to core regions that define a nation's identity or power base
2. A region known for agricultural production or a particular industry; the productive center of a country.
Usage: Often used in geographic or economic contexts

Examples

• The American heartlands are known for their vast wheat and corn production.
• Political candidates often focus on winning the heartlands to secure national elections.
• The industrial heartlands of the Midwest have historically driven the nation's economy.
• Rural heartlands maintain strong cultural traditions passed down through generations.
• The heartlands of Europe have been shaped by centuries of history and conflict.
• Tourism has become increasingly important to the economic heartlands of the country.