Configure Localization Settings per Website
To define the custom localization options for the particular website:
Navigate to System > Websites in the main menu.
For the necessary website, hover over the More Options menu to the right and click to start editing the configuration.
Select System Configuration > General Setup > Localization in the menu to the left.
For faster navigation between the configuration menu sections, use Quick Search.
Clear the Use Organization check box to change the default options, and provide new values.
Select one or multiple enabled localizations for the website from the list to support the translation of the storefront UI elements to the target language.
Select the default localization for the storefront of the website.
Click Save to the save the settings.