This is the flag of Guam. The background color of the flag is blue, with a red border around it, and the badge of Guam is in the middle. It displayed as GU on some platforms. It generally means Guamor within Guam. Guam is
🇺🇸 an informal territory of the United States.
🇬🇺 is the Emoji of a country/region‘s flag, and its meaning is flag: Guam. The Emoji 🇬🇺 is composed of two regional indicator letters, namely 🇬 and 🇺. The country/region's 2-letter code for Guam is GU, so the letters corresponding to the two region indicator letters are G and U. 🇬🇺 is displayed as a whole flag on most platforms and as a two-letter symbol on a few platforms.