Popular names of places sometimes have initial capitals:
Top End [northern part of the Northern Territory] the Red Centre
but not always:
central Australia the outback the mallee region
Unofficial names usually have initial capitals:
Sapphire Coast Gascoyne Coast Gold Coast Channel Country [in South Australia, near Lake Eyre]
Use lower case for names of regions that include compass directions:
southern Australia northern Australia far north Queensland east coast of Australia
Use lower case for generic terms such as central business district. When greater is used with the name of a city to indicate a large area associated with the city, use an initial capital:
