In Geography, What Are the Three Types of Regions?

Formal regions consist of geographic regions, cultural regions, governmental regions and economic regions. Functional regions are typically areas where a specific service is provided, such as areas of a country that a gas supplier services. Vernacular regions are subject to perception and often change based on the person defining them. For example, many people define the southern portions of the United States in different ways. Functional regions are further categorized into nodal regions and network regions.