This is the flag of Bermuda Islands. It is a red flag.The upper left corner is the British flag
🇬🇧, indicating the historical relationship with the United Kingdom. On the right is a red lion
🦁 holding a small shield
🛡️. It is displayed as BM on some platforms. It generally means Bermuda or within Bermuda, and its capital is Hamilton.
🇧🇲 is the Emoji of a country/region‘s flag, and its meaning is flag: Bermuda. The Emoji 🇧🇲 is composed of two regional indicator letters, namely 🇧 and 🇲. The country/region's 2-letter code for Bermuda is BM, so the letters corresponding to the two region indicator letters are B and M. 🇧🇲 is displayed as a whole flag on most platforms and as a two-letter symbol on a few platforms.