uncommonly, Mesoamerica, the area inhabited by the pre-Columbian empires that extended from central Mexico southward through much of Central America.

the Midwestern United States

Americas (terminology)

Central America

Middle America (Americas), a region comprising the mid-latitudes of the Americas.

Middle America (United States), a political reflection of those living in the interior of the continental United States by those living in its coastal areas; also, the American middle class, especially its traditional or conservative elements.