Prisons

31,353 facilities indexed. Filter by country, security level, type, or gender. Click any card for contact details, visiting rules, and conditions.

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Data is aggregated from public sources and may be incomplete or out of date.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.

OvercrowdedWith photos

Melk concentration camp

Austria

Type

Concentration camp

Capacity

—

Held

—

Mellette County Jail

United States · White River

Type

County jail

Capacity

—

Held

—

Melmoth Community Corrections

South Africa

Type

Community Corrections

Capacity

—

Held

—

Melmoth Correctional Centre

South Africa

Type

Correctional Centre

Capacity

—

Held

—

Melville Island and Deadman's Island

Canada

Type

—

Capacity

—

Held

—

Melville Island Prison

Canada

Type

—

Capacity

—

Held

—

Memorial

United States · Rosharon

Maximum

Type

State prison

Capacity

1,931

Held

—

Memorial Centre former Comisaría Cuarta in Santa Fe

Argentina · Santa Fe

Type

—

Capacity

—

Held

—

Memorial dos Direitos Humanos

Brazil

Type

—

Capacity

—

Held

—

Menabba concentration camp

Algeria

Type

—

Capacity

—

Held

—

Menard Correctional Center

United States · Menard

Maximum

Type

State prison

Capacity

3,881

Held

2,213

Under capacity (57%)

Menard County Jail

United States · Menard

Type

County jail

Capacity

Held

Under capacity (50%)

Menard Medium Security Unit

United States · Menard

Medium

Type

State prison

Capacity

394

Held

394

Overcrowded (100%)Low

Men De Si Bie Shu

Argentina

Type

—

Capacity

—

Held

—

Mendocino County Jail

United States · Ukiah

Type

—

Capacity

—

Held

—

Mendocino County Jail / Sheriff

United States · Ukiah

Type

County jail

Capacity

—

Held

303

Mendocino County Juvenile Hall

United States · Ukiah

Juvenile

Type

County jail

Capacity

Held

—

Mendota Juvenile Treatment Center

United States · Madison

Juvenile

Type

State prison

Capacity

Held

Under capacity (65%)Low

Menemen Cezaevi

Türkiye

Type

—

Capacity

—

Held

—

Menemen R Tipi Kapalı ve Açık Ceza İnfaz Kurumu

Türkiye · İzmi̇r

Type

Rehabilitation Centre

Capacity

—

Held

—

Menemen T Tipi Kapalı Ceza İnfaz Kurumu

Türkiye · İzmi̇r

Type

Closed

Capacity

—

Held

—

Mengen Cezaevi-Karakol

Türkiye

Type

—

Capacity

—

Held

—

Meng Hu Jian Qu

China

Type

—

Capacity

—

Held

—

Meng Jin Xian Kan Shou Suo

China

Type

—

Capacity

—

Held

—

Mengoub concentration camp

Morocco

Type

—

Capacity

—

Held

—

Meng Zi Shi Kan Shou Suo

China

Type

—

Capacity

—

Held

—

Menominee County Jail

United States · Menominee

Type

County jail

Capacity

Held

Under capacity (61%)Low

Menominee Tribal Jail

United States · Keshena

Type

Local jail

Capacity

Held

—

Men'S Central Jail

United States · Los Angeles

Maximum

Type

County jail

Capacity

6,750

Held

4,281

Under capacity (63%)

Men's House of Detention

United States

Type

—

Capacity

—

Held

—