What is the difference between a formal region and a functional region?

Answer 1

a formal region is a huge region characterised by many activities.

a functional region is a region that serve other region like major cities serving rural or peripery areas.

Answer 2

A formal region is defined by a common characteristic or criteria, such as language, religion, or government. A functional region is based on interactions and connections, like a transportation network or economic trade area. Formal regions are static, while functional regions are dynamic and can change based on specific activities or functions.