Dongdaemun Gate, also known as Heunginjimun, is a historic gate located in Seoul, South Korea. Built in 1396 during the Joseon Dynasty, it served as a key entrance to the city and played a significant role in its defense. The gate features a unique architectural style, combining traditional Korean elements with military functionality. Today, Dongdaemun Gate is a popular tourist attraction and a symbol of Seoul's rich history. It is part of the Seoul City Wall, which once protected the city from invasions. Visitors can explore the surrounding area, which includes modern shopping districts and cultural sites.