Forum Moderators: phranque
Strictly speaking there's also no such thing as en-DE, en-FR or en-ESStrictly speaking, the bit after the hyphen doesn't refer to dialect, as any rational person would expect it to; it refers to the targeted country, which may be wholly independent of the language. So en-fr might, for example, refer to an English-language ecommerce site with prices in euros.
Strictly speaking, the bit after the hyphen doesn't refer to dialect, as any rational person would expect it to
Region subtags are used to specify the variety of a language "as used in" a particular region. They are appropriate when the variety is regional in nature, and can be captured adequately by identifying the countries involved, as when distinguishing British English (en-GB) from American English (en-US).