Italy · Rome
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_-_Facciata_(Mamertinum).jpg)
From Wikimedia Commons (CC-BY-SA where not otherwise stated).
Photo by Lalupa via Wikimedia Commons (CC BY-SA 3.0)
Photo by Original uploader was Croberto68 at it.wikipedia via Wikimedia Commons (Public domain)
Photo by Horcrux92 via Wikimedia Commons (CC BY-SA 4.0)
Photo by SurreyJohn via Wikimedia Commons (CC BY-SA 4.0)
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Photo by User:MatthiasKabel via Wikimedia Commons (CC BY-SA 3.0)
Photo by MatthiasKabel via Wikimedia Commons (CC BY-SA 3.0)
The Mamertine Prison (Italian: Carcere Mamertino), in antiquity the Tullianum, was a prison (carcer) with a dungeon (oubliette) located in the Comitium in ancient Rome. It is said to have been built in the 7th century BC and was situated on the northeastern slope of the Capitoline Hill, facing the Curia and the imperial forums of Nerva, Vespasian, and Augustus. Located between it and the Tabularium (record house) were the Gemonian stairs leading to the Arx of the Capitoline. The church of San Giuseppe dei Falegnami now stands above the Mamertine.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
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Current population
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Occupancy
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Year opened
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Operational
Figures from official sources · verified 29 May 2026 · methodology
Operator
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Population held
Mixed/unknown
Opened
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Region
Rome
Security level
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Death-row facility
No
No conditions summary available yet.
No visiting information available.
No mailing information available.
Contact the operator's website for inmate-specific procedures.
No major issues documented in our database.
Derived signal — not a judgement. How it's calculated
Same country, matched on type + security level where possible.
How many of our profile fields are populated. We surface this so families and researchers know the limits.
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Mamertine Prison. Retrieved July 21, 2026, from https://worldprisons.com/prisons/mamertine-prison
"Mamertine Prison." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/mamertine-prison.
@misc{worldprisons-mamertine-prison,
author = {{World Prisons}},
title = {Mamertine Prison},
year = {2026},
url = {https://worldprisons.com/prisons/mamertine-prison},
urldate = {2026-07-21}
}