> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Region

Filter to models with endpoints in the given data region ("eu" or "us").

## Example Usage

```typescript theme={null}
import { Region } from "@openrouter/sdk/models/operations";

let value: Region = "eu";

// Open enum: unrecognized values are captured as Unrecognized<string>
```

## Values

```typescript theme={null}
"eu" | "us" | Unrecognized<string>
```