> ## 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

```python theme={null}
from openrouter.operations import Region

# Open enum: unrecognized values are captured as UnrecognizedStr
value: Region = "eu"
```

## Values

This is an open enum. Unrecognized values will not fail type checks.

* `"eu"`
* `"us"`