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# Locale.Region

A type that represents a geographic region, for use in specifying a locale or language.

```
struct Region
```

## Topics

### Creating a region

[`init(_:)`](/documentation/Foundation/Locale/Region-swift.struct/init(_:))

Creates a region from a BCP 47 identifier.

[`init(stringLiteral:)`](/documentation/Foundation/Locale/Region-swift.struct/init(stringLiteral:))

Creates a region from a BCP 47 identifier as a string literal.

### Examining region properties

[`identifier`](/documentation/Foundation/Locale/Region-swift.struct/identifier)

The BCP 47 identifier of the region.

[`containingRegion`](/documentation/Foundation/Locale/Region-swift.struct/containingRegion)

The region that contains this region, if any.

[`continent`](/documentation/Foundation/Locale/Region-swift.struct/continent)

The continent that contains this region, if any.

[`isISORegion`](/documentation/Foundation/Locale/Region-swift.struct/isISORegion)

A Boolean value that indicates whether the region is an ISO-defined region.

[`subRegions`](/documentation/Foundation/Locale/Region-swift.struct/subRegions)

An array of all the sub-regions of the region.

### Using special-purpose regions

[`unknown`](/documentation/Foundation/Locale/Region-swift.struct/unknown)

A pre-defined unknown or invalid region.

### Getting a list of regions

[`isoRegions`](/documentation/Foundation/Locale/Region-swift.struct/isoRegions)

An array of regions defined by ISO.


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