Meaning
The flag of the United Arab Emirates: a red vertical band on the left beside three horizontal stripes of green, white and black. It represents the federation that includes Dubai and Abu Dhabi.
People use it for trips, stopovers and life in Dubai or Abu Dhabi, for national celebrations and for chatting with friends working in the Gulf: “Layover in Dubai 🇦🇪 desert safari tonight” In captions it is often paired with the short name UAE.