Hoeryong "reeducation" camp
North Korea
Kyo-hwa-so Hoeryong 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 10 km (6.2 mi) north-east of Hoeryong and is sometimes also called Hoeryong camp. It holds roughly 1,500 prisoners.
Prison data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).