The Grand Ballroom is a 1,213-square-meter banquet hall. It boasts a variety of state-of-the-art facilities, including a built-in stage, a large LED panel that can be divided into two sides, and a fountain show that unfolds beyond the floor-to-ceiling windows, ensuring a truly spectacular event. This space can also be divided into three smaller spaces. Currently, inquiries regarding the Grand Hyatt Hotel are only accepted by phone (02-797-1234).