Heunginjimun, also known as Dongdaemun Gate, is a historic gate located in Seoul, South Korea. Built in 1396 during the Joseon Dynasty, it served as one of the main entrances to the city. The gate is notable for its impressive architecture, featuring a combination of stone and brick, and is surrounded by a defensive wall that once protected the city. Today, Heunginjimun is a popular tourist attraction and a symbol of Seoul's rich history. It is part of the larger Dongdaemun Design Plaza area, which includes modern architectural elements and cultural spaces, making it a blend of the old and the new in the heart of the city.