Description of Test Hall Detailed information on banquet halls You can easily reserve banquet halls at special hotels in the Gangnam, Euljiro area of Seoul and hold events. You can hold events by adding space and meals at the same price as the hotel and without any fees! 92 cumulative events! Real-time banquet space reservations possible. Gangnam, Euljiro, regional banquet halls. Type: Hotel seminars, meetings, conferences