There are long-term training sessions and they need to be booked in advance through the phone.
Wikipedia https://ko.wikipedia.org/wiki/국기원
Official website http://www.kukkiwon.or.kr/
전화 +82 2 567 1058
주소 Kukkiwon 635 Yeoksam-dong, Gangnam-gu, Seoul, South Korea
좌표 37°30'7.553" N 127°1'48.734" E
