- [JSON representation](https://developers.google.com/maps/documentation/geocoding/reference/rest/v4beta/GeocodeAddressRequest.LocationBias#SCHEMA_REPRESENTATION)

The region to search. This location serves as a bias which means results around the given location are preferred.

| JSON representation |
|---|
| ``` { // The following is a list of mutually exclusive fields. At most one of the // fields will be set in a response: "rectangle": { object (`https://developers.google.com/maps/documentation/geocoding/reference/rest/Shared.Types/Viewport`) } // End of mutually exclusive fields. } ``` |

| Fields ||
|---|---|
| Types of location bias. The following is a list of mutually exclusive fields. At most one of the fields will be set in a response: ||
| `rectangle` | ``object (`https://developers.google.com/maps/documentation/geocoding/reference/rest/Shared.Types/Viewport`)`` A rectangular box defined by northeast and southwest corner. `rectangle.high()` must be the northeast point of the rectangle viewport. `rectangle.low()` must be the southwest point of the rectangle viewport. `rectangle.low().latitude()` cannot be greater than `rectangle.high().latitude()`. This will result in an empty latitude range. A rectangle viewport cannot be wider than 180 degrees. |
| End of mutually exclusive fields. ||