Camp 1391
Menashe Regional Council, Israel
Camp 1391, also referred to as Unit 1391 or Facility 1391, is an Israel Defense Forces prison camp in northern Israel for "high-risk" prisoners. It is run by Unit 504. The existence of the prison was unknown to the public before 2003, and most information about it remains classified, although the Supreme Court of Israel ordered the release of some information about the jail.
Prison data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).