<!--
{
  "availability" : [
    "iOS: 26.0.0 -",
    "iPadOS: 26.0.0 -",
    "macOS: 26.0.0 -",
    "tvOS: 26.0.0 -",
    "visionOS: 26.0.0 -",
    "watchOS: 27.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Vision",
  "identifier" : "/documentation/Vision/BoundingRegionProviding",
  "metadataVersion" : "0.1.0",
  "role" : "Protocol",
  "symbol" : {
    "kind" : "Protocol",
    "modules" : [
      "Vision"
    ],
    "preciseIdentifier" : "s:6Vision23BoundingRegionProvidingP"
  },
  "title" : "BoundingRegionProviding"
}
-->

# BoundingRegionProviding

A protocol for objects that have a defined boundary in an image.

```
protocol BoundingRegionProviding
```

## Topics

### Getting the bounding region

[`var boundingRegion: NormalizedRegion`](/documentation/Vision/BoundingRegionProviding/boundingRegion)

A polygon that defines the boundary of an area in the image.

## Relationships

### Conforming Types

[`Text-swift.struct`](/documentation/Vision/DocumentObservation/Container/Text-swift.struct)

[`List`](/documentation/Vision/DocumentObservation/Container/List)

[`DataDetectorMatch`](/documentation/Vision/DocumentObservation/Container/DataDetectorMatch)

[`Container`](/documentation/Vision/DocumentObservation/Container)

[`Table`](/documentation/Vision/DocumentObservation/Container/Table)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)