Hoeryong reeducation camp
Kyo-hwa-so Hoeryong(회령교화소) is a "reeducation camp" in Hoeryong, in North Hamgyong province of North Korea. It is not to be confused with Haengyong political prison camp (Kwan-li-so Nr. 22), which is located  north-east of Hoeryong and is sometimes also called Hoeryong camp. It holds roughly 1,500 prisoners. See also 
 Human rights in North Korea
 Kaechon concentration camp

References

External links 
 Committee for Human Rights in North Korea: The Hidden Gulag - Overview of North Korean prison camps with testimonies and satellite photographs

Concentration camps in North Korea