Chŭngsan No. 11 Detention Facility
Chungsan County, North Korea
Chungsan concentration camp (also spelled Jeungsan, Jungsan or Joongsan) is a reeducation camp in North Korea. Its official name is Kyo-hwa-so No. 11 (Reeducation camp no. 11).
Prison data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).