---
title: "LanguageRegion – API-Referenz · Quittio"
description: "The language region of a Belgian address by its post code: the Dutch language region (Flanders), the French language region (Wallonia without the German-speaking municipalities), the German language region and the bilingual region Brussels-Capital."
canonical_url: "https://quittio.dev/docs/api/Quittio/Country/BE/Support/LanguageRegion"
locale: de
meta:
  "og:description": "The language region of a Belgian address by its post code: the Dutch language region (Flanders), the French language region (Wallonia without the German-speaking municipalities), the German language region and the bilingual region Brussels-Capital."
  "og:image": "https://quittio.dev/og/quittio-de.jpg"
  "og:image:alt": "Quittio: E-Rechnungen für PHP und Laravel. Rechtssicher, validiert, archiviert, mit geprüfter Beispielrechnung."
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  "og:title": "LanguageRegion – API-Referenz · Quittio"
  "twitter:image": "https://quittio.dev/og/quittio-de.jpg"
  "twitter:image:alt": "Quittio: E-Rechnungen für PHP und Laravel. Rechtssicher, validiert, archiviert, mit geprüfter Beispielrechnung."
---

> Index of every page on this site: [llms.txt](https://quittio.dev/llms.txt)

[API reference](https://quittio.dev/docs/api) / [Quittio](https://quittio.dev/docs/api/Quittio) \\ [Country](https://quittio.dev/docs/api/Quittio/Country) \\ [BE](https://quittio.dev/docs/api/Quittio/Country/BE) \\ [Support](https://quittio.dev/docs/api/Quittio/Country/BE/Support)

# LanguageRegion

final class in quittio/country-be

`Quittio\Country\BE\Support\LanguageRegion` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/country-be/src/Support/LanguageRegion.php#L16)

The language region of a Belgian address by its post code: the Dutch language region (Flanders), the French language region (Wallonia without the German-speaking municipalities), the German language region and the bilingual region Brussels-Capital.

The decrees on the use of languages (Flemish Community: decree of 19 July 1973; French Community: decree of 30 June 1982) require documents of businesses that the law prescribes, such as invoices, in the language of the region of the business's place of operation.

## Constants \#

| Constant | Value | Description |
| --- | --- | --- |
| `BILINGUAL` | `'bilingual'` | Brussels-Capital: Dutch or French. |
| `DUTCH` | `'nl'` | |
| `FRENCH` | `'fr'` | |
| `GERMAN` | `'de'` | |

## Methods \#

| Method | Description |
| --- | --- |
| `::of()` | The region of a Belgian post code, null for one that is not Belgian. |

### `of()`#

```
public static function of(?string $postcode): ?string
```

static

The region of a Belgian post code, null for one that is not Belgian.

| Parameter | Type | Description |
| --- | --- | --- |
| `$postcode` | `?string` | |

<dl><dt>Returns</dt>
<dd><code>?string</code></dd>
</dl>

```json
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```