Available in all subroutines.
A code representing the general region of the world in which the POP location resides.
As of the time of writing possible values for public pops are:
|Region Name||Approximate Geographic Location of Fastly POPs|
|Australia and New Zealand|
|Throughout the Asian continent (except India)|
|The central European continent|
|The eastern European continent|
|The western European continent|
|Eastern South America|
|Northern South America|
|Southern South America|
|The southern regions of Africa|
|The central United States|
|The eastern United States|
|The western United States|