Grand Hyatt Seoul (5 Star) - Map of Great Places in Seoul, Korea (sitios de interés)

Nearby, Namsan Mountain (where Seoul Tower is), also Namdaemun local market, Itaewon (clubbing area popular with foreigners) and 10 mins walk to downtown.
Located at Yongsan gu line number 6 Itewon or Hangang-jin station (from the station taxi or walk 5 mins).