Where Is...?

There are a number of terms we use to designate places or regions.

Please identify where these are, or what these categories designate.
Also identify what make them what they are (that is, what defines them).
Name the countries or places that are included, if possible.
Are the categories vague in any way? How?
What purpose do the definitions have?
Who defines (or defined) these places?
Are there political implications to the choice of category?

The West (in the World)
The Third World
Europe
The Midwest
The West (in the US)
The Second World
Asia
Central Canada
The Developing World
The First World
North America
The West (in Canada)
The Pacific Rim
The Free World
Central America
Southeast Asia
The Iron Curtain
The Mideast
Africa
Sub-Saharan Africa
The Orient
The Occident
The North
The South

The West (in the World)	The Third World	Europe	The Midwest
The West (in the US)	The Second World	Asia	Central Canada
The Developing World	The First World	North America	The West (in Canada)
The Pacific Rim	The Free World	Central America	Southeast Asia
The Iron Curtain	The Mideast	Africa	Sub-Saharan Africa
The Orient	The Occident	The North	The South