10 of the most dangerous prisons in the world

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Here are ten of the world’s most dangerous prisons. They are infamous for extreme conditions, notorious inmates, and strict security measures.


Marion Federal Penitentiary (United States)

  • A supermax prison in Illinois, Marion is known for its strict security measures and has housed some of the most dangerous criminals in the U.S., leading to a dangerous environment.

Korydallos Prison (Greece)

  • This prison is known for its overcrowding and violence, housing dangerous criminals and facing frequent riots and escape attempts.

San Quentin State Prison (United States)

  • Located in California, San Quentin is notorious for its death row and high levels of violence, making it one of the most dangerous prisons in the U.S.

Petak Island Prison (Russia)

  • A high-security prison located on a remote island in the White Sea.
  • It is known for its brutal treatment of inmates and harsh living conditions.

Gitarama Prison (Rwanda)

  • Known for its extreme overcrowding and unsanitary conditions,
  • Gitarama was built for 400 inmates but held over 7,000 at its peak, leading to rampant disease and violence.

Carandiru Penitentiary (Brazil)

  • Although now closed, Carandiru was infamous for violent riots and severe overcrowding.
  • Including a massacre in 1992 that left over 100 inmates dead.

Bang Kwang (Thailand)

  • Known as the “Bangkok Hilton,” this prison is characterized by its overcrowding, extreme heat, and harsh treatment of inmates, with some prisoners kept in chains.

La Santé (France)

  • This prison in Paris is notorious for its brutal conditions.
  • Including overcrowding and a high rate of inmate suicides, making it one of the most dangerous in Europe.

Rikers Island (United States)

  • Located in New York City, Rikers is infamous for violence and overcrowding, housing a mix of pre-trial detainees and convicted felons in harsh conditions.

ADX Florence (United States)

  • This supermax facility in Colorado is designed to hold the most dangerous criminals in solitary confinement.
  • Wtrict security protocols and minimal human contact.


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Flora

10 of the most dangerous prisons in the world

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I am Flora, the publisher and founder of *Be-Smart*, a platform dedicated to sharing insights and inspiration for living a fulfilling life. With a strong background in the web, my goal is to empower people to genuinely recognize and celebrate admirable actions big or small in themselves and others.