Grand Intercontinental Seoul (5-star)
159-8, SAMSEONG-DONG, GANGNAM-GU, Seoul, 135-732 Korea
Grand Intercontinental Seoul is located in the same area as COEX, about 5 mins to walk to the ASEM Hall.
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Ramada Seoul (4-star)
112-5 Samsung-dong, Kangnam-ku, Seoul, 135-010 Korea
Depends on traffic condition, distance from Ramada Seoul to COEX Convention Center is around 3 minutes by car / Around 15 minutes on foot.
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