The flag for Iceland, which may show as the letters IS on some platforms.
The Flag: Iceland emoji is a flag sequence combining ? Regional Indicator Symbol Letter I and ? Regional Indicator Symbol Letter S. These display as a single emoji on supported platforms.
Flag: Iceland was added to Emoji 1.0 in 2015.
U+1F1EE
U+1F1F8
?? Regional indicator symbol letter i
?? Regional indicator symbol letter s