Synonym of heart (“the seat of the affections or love”)

A noun "heartland" refers to the interior part of a region, particularly when contrasted with coastal areas or when seen as politically or socially powerful, and can also specifically refer to the central states of the united states known for their conservative politics, or it can represent a region or part of a region associated with a characteristic or significant for a specific activity, faith, support for a political party, or organization.