---
title: boundingBox
framework: vision
role: symbol
role_heading: Instance Property
path: vision/contoursobservation/contour/boundingbox
---

# boundingBox

The bounding box of the region.

## Declaration

```swift
var boundingBox: NormalizedRect { get }
```

## See Also

### Inspecting a contour

- [aspectRatio](vision/contoursobservation/contour/aspectratio.md)
- [boundingQuad](vision/contoursobservation/contour/boundingquad.md)
- [childContours](vision/contoursobservation/contour/childcontours.md)
- [indexPath](vision/contoursobservation/contour/indexpath.md)
- [normalizedPath](vision/contoursobservation/contour/normalizedpath.md)
- [normalizedPoints](vision/contoursobservation/contour/normalizedpoints.md)
- [pointCount](vision/contoursobservation/contour/pointcount.md)
- [points](vision/contoursobservation/contour/points.md)