The flag for Tristan da Cunha, which may show as the letters TA on some platforms. This same flag is used for Ascension Island and St. Helena.
The Flag: Tristan Da Cunha emoji is a sequence of the 🇹 Regional Indicator Symbol Letter T and 🇦 Regional Indicator Symbol Letter A emojis. These display as a single emoji on supported platforms.
Flag: Tristan Da Cunha was added to Emoji 1.0 in 2015.