This is the national flag of The Kingdom of Belgium, from left to right connected by three parallel equal vertical rectangles of black, red and yellow. The color of the flag is the color of the emblem of the former Principality of Brabant, representing a golden lion (yellow)
🦁, with a saber (black)
🔪 as the background, use the throat (red) to grasp the claws and stick out the tongue
😛. It is displayed as BE on some platforms. It generally means Belgium or within Belgium, and its capital is Brussels.
🇧🇪 is the Emoji of a country/region‘s flag, and its meaning is flag: Belgium. The Emoji 🇧🇪 is composed of two regional indicator letters, namely 🇧 and 🇪. The country/region's 2-letter code for Belgium is BE, so the letters corresponding to the two region indicator letters are B and E. 🇧🇪 is displayed as a whole flag on most platforms and as a two-letter symbol on a few platforms.