MadelineProtoDocs/old_docs/API_docs_v2/methods/help.getNearestDc.md

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---
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title: help.getNearestDc
description: Returns info on data centre nearest to the user.
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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redirect_from: /API_docs/methods/help_getNearestDc.html
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---
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# Method: help.getNearestDc
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[Back to methods index](index.md)
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Returns info on data centre nearest to the user.
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### Return type: [NearestDc](../types/NearestDc.md)
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### Can bots use this method: **NO**
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### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)):
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```php
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if (!file_exists('madeline.php')) {
copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';
$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();
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$NearestDc = $MadelineProto->help->getNearestDc();
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```
Or, if you're into Lua:
```lua
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NearestDc = help.getNearestDc({})
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```
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### Errors
| Code | Type | Description |
|------|----------|---------------|
|406|AUTH_KEY_DUPLICATED|An auth key with the same ID was already generated|