Workshop venue
The workshop venue is
"International Conference Hall", Building 25-1, College of Natural Sciences.
(25-1동 1층 국제회의실)
It is located at the center of the SNU campus, the building #25-1 on the map
(please go to below link, light purple in the middle).
https://sshep.snu.ac.kr/indico/event/114/material/slides/0.pdf
(the physics department is building #56 (light purple).)
Also, you can use below googlemap.
https://www.google.com/maps/dir//37.4587451,126.9495181/@37.4591209,126.9494781,18z/data=!4m2!4m1!3e3