Languages

TREK ships with translations for 27 languages, the Help Center guides included. You can change your language at any time without logging out.

Supported languages

Code	Language
`de`	Deutsch
`en`	English
`es`	Español
`et`	Eesti
`fr`	Français
`hu`	Magyar
`nl`	Nederlands
`br`	Português (Brasil)
`cs`	Česky
`sk`	Slovenčina
`pl`	Polski
`ru`	Русский
`zh`	简体中文
`zh-TW`	繁體中文
`it`	Italiano
`tr`	Türkçe
`ar`	العربية
`az`	Azərbaycanca
`id`	Bahasa Indonesia
`ja`	日本語
`ko`	한국어
`th`	ไทย
`uk`	Українська
`gr`	Ελληνικά
`sv`	Svenska
`vi`	Tiếng Việt
`ca`	Català

Place names in another language

Place search, suggestions, place details and addresses follow the app language by default. Settings → General → Language & region → Place names lets them answer in another language while the interface stays in yours, for example English place names in a German app. Where a place has no name in the chosen language, its local name is shown. See Display-Settings.

RTL support

Arabic (ar) uses a right-to-left layout. All other languages use left-to-right.

How language is detected

TREK resolves the display language in this order:

User preference — the language saved to your account (set in Settings → General).
Browser language — navigator.languages (and navigator.language) reported by your browser.
Server default — the DEFAULT_LANGUAGE environment variable set by the admin.
Fallback — English (en).

Where the language picker appears

Login / Register page — before you are signed in.
Settings → General — after you are signed in. See Display-Settings.
Public share pages — trip share links.
Public journey pages — public-facing journey views.

Admin: The DEFAULT_LANGUAGE environment variable sets the fallback language shown on the login page and for unauthenticated users. See Environment-Variables.

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