As a compass direction, south and southern are not
He lived south of Washington.
He lived in the southern part
of the state.
Capitalize each term when it is used as a proper name or
as part of a proper name, and if the region is widely known:
The Civil War pitted the South against the
He moved to South Florida.
Southern California has many lovely beaches.
South, Old South
South Pole, but the pole
South Sea island
South Seas (literary concept)
Southern Hemisphere, the hemisphere
Southern Cross (Crux constellation)
southern Africa (region)
South Africa (country)
south magnetic pole