1. a smaller area that is part of a larger region

Examples

• The Amazon basin can be divided into several subregions based on climate patterns.
• Each subregion of the country has its own cultural traditions.
• The marketing team focused their campaign on the northeastern subregion.
• Scientists studied biodiversity in different subregions of the forest.
• The economic development plan targets three key subregions.
• Population density varies significantly between subregions of the metropolitan area.