The flag for South Africa, which may show as the letters ZA on some platforms.
The Flag: South Africa emoji is a flag sequence combining ? Regional Indicator Symbol Letter Z and ? Regional Indicator Symbol Letter A. These display as a single emoji on supported platforms.
Flag: South Africa was added to Emoji 1.0 in 2015.
U+1F1FF
U+1F1E6
?? Regional indicator symbol letter z
?? Regional indicator symbol letter a