This is the flag of Bailiwick of Jersey. There is a red X-shaped pattern on the white flag. The icon above the intersection is the icon of the island. It is displayed as JE on some platforms. Generally representing Jersey , it is a British royal possession, and its capital is Saint Helier.
🇯🇪 is the Emoji of a country/region‘s flag, and its meaning is flag: Jersey. The Emoji 🇯🇪 is composed of two regional indicator letters, namely 🇯 and 🇪. The country/region's 2-letter code for Jersey is JE, so the letters corresponding to the two region indicator letters are J and E. 🇯🇪 is displayed as a whole flag on most platforms and as a two-letter symbol on a few platforms.