---
title: "init(radius:)"
framework: uikit
role: symbol
role_heading: Initializer
path: "uikit/uiregion/init(radius:)"
---

# init(radius:)

Initializes and returns a region with a circular shape of the specified radius.

## Declaration

```swift
init(radius: CGFloat)
```

## Parameters

- `radius`: The radius of the circular area, specified in points.

## Return Value

Return Value A circular region with the specified radius.

## Discussion

Discussion The center of the circle is the origin of the region’s coordinate system.

## See Also

### Creating and initializing regions

- [infinite](uikit/uiregion/infinite.md)
- [init(size:)](uikit/uiregion/init(size:).md)