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Türkiye · İstanbul

Marmara Prison

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Verified 29 May 2026
Fresh · 0d ago

Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.

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How to send mail, money, and visit Marmara Prison

Step-by-step guidance using the Türkiye system — addresses, money services, visit booking, what to bring on your first visit.

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Photograph of Marmara Prison

Gallery

From Wikimedia Commons (CC-BY-SA where not otherwise stated).

  • OtokarSultanPrisonBus (1).jpg

    Photo by CeeGee via Wikimedia Commons (CC BY-SA 4.0)

  • OtokarSultanPrisonBus (2).jpg

    Photo by CeeGee via Wikimedia Commons (CC BY-SA 4.0)

  • Protest for the arrested academics (2).jpg

    Photo by Hilmi Hacaloğlu via Wikimedia Commons (Public domain)

  • SilivriPrison01.JPG

    Photo by CeeGee via Wikimedia Commons (CC BY-SA 4.0)

  • SilivriPrison02.JPG

    Photo by CeeGee via Wikimedia Commons (CC BY-SA 4.0)

  • SilivriPrison03.JPG

    Photo by CeeGee via Wikimedia Commons (CC BY-SA 4.0)

Background

Marmara Prison (Turkish: Marmara Cezaevi) or officially Marmara Penitentiaries Campus (Turkish: Marmara Ceza İnfaz Kurumları Kampüsü) formerly Silivri Prison is a high-security state correctional institution complex in the Silivri district of Istanbul Province in Turkey. Established in 2008, it is the country's most modern and Europe's largest penal facility. As of June 5, 2008, a total of 96,760 defendants and convicts were detained in Turkey. 11,148 of them were held in ten correctional facilities of closed and open type within Istanbul Province. Following the opening of Silivri Prison, which has a capacity of nearly 11,000 inmates, the number of inmates in all Istanbul's prisons reached 15,910.

Source: Wikipedia article lead, CC-BY-SA.

Capacity

Current population

Occupancy

Year opened

2008

Operational

Facility profile

Operator

Population held

Mixed/unknown

Opened

2008

Region

İstanbul

Security level

Death-row facility

No

Conditions

No conditions summary available yet.

Visiting

No visiting information available.

Mailing

No mailing information available.

Practical info

Contact the operator's website for inmate-specific procedures.

Known issues

No major issues documented in our database.

Conditions Risk Score

Derived signal — not a judgement. How it's calculated

Insufficient data
We don't have enough public data on this facility to score it. Have something to add? Send us a correction.

Data completeness

34%

How many of our profile fields are populated. We surface this so families and researchers know the limits.

Sources