Seoul Nat'l Univ. of Education Station is a station in the Seocho District of Seoul, on Seoul Subway Line 2 and Line 3. It is usually noted on station signs and on-board announcements that the station serves Court & Prosecutors' Office.
The station is a transfer point between the circular Line 2 which runs east–west at this point, and the north-south Line 3. The station is an extremely busy transfer point for those travelling between central Seoul and Gangnam district, Teheran Valley and the COEX/KWTC complex.
The station is commonly referred to as "Kyodae" or "Gyodae".
Wikipedia https://en.wikipedia.org/wiki/Seoul_National_University_of_Education_station
Coordinates 37°29'37.173" N 127°0'49.329" E