Regional indicator symbol

The regional indicator symbols are a set of 26 alphabetic Unicode characters (A–Z) intended to be used to encode ISO 3166-1 alpha-2 two-letter country codes in a way that allows optional special treatment.

These were defined by as part of the Unicode 6.0 support for emoji, as an alternative to encoding separate characters for each country flag. Although they can be displayed as Roman letters, it is intended that implementations may choose to display them in other ways, such as by using national flags. The Unicode FAQ indicates that this mechanism should be used and that symbols for national flags will not be directly encoded. This allows the Unicode consortium to avoid any issues surrounding which countries to include (and, de facto, recognize), instead leaving it entirely to the system implementation as to which flags to include (see: partially recognized state).

They are encoded in the range U+1F1E6 🇦 REGIONAL INDICATOR SYMBOL LETTER A to U+1F1FF 🇿 REGIONAL INDICATOR SYMBOL LETTER Z within the Enclosed Alphanumeric Supplement block in the Supplementary Multilingual Plane.