An area defined by one or more common and distinctive traits, characteristics, or features that make it different from surrounding areas.

A place that is always unique and cannot be grouped with others.

A location that never changes its boundaries.

A city with the largest population in a country.

A region based on people's perceptions

A region organized around a central point

An area defined by official boundaries and shared characteristics

A region with no clear boundaries

Formal

Functional

Vernacular

Formal

Functional

Perceptual

Formal

Functional

Perceptual