Be aware: Google Maps does not do the job perfectly in Korea, so I really advocate that you put in Naver Maps or Kakao Maps to find the closest station. The vast majority of subway entrances are included by staircases close to the sidewalk, along with a yellow educate emblem. https://tour-gangnam-karaoke89988.thezenweb.com/getting-my-night-of-gangnam-korea-to-work-72221922