Instance Property
region
iOS 16.0+
iPadOS 16.0+
Mac Catalyst 16.0+
macOS 13.0+
tvOS 16.0+
watchOS 9.0+
The region used by the locale.
Discussion
This property corresponds to the rg key of the Unicode BCP 47 extension.
For locale instances created with the rg specifier (such as en-GB@rg=US), or with a custom Locale.Components, this property represents the custom region. Otherwise, it represents the language’s region.