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Data is aggregated from public sources and may be incomplete or out of date.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

Miguel Castro Castro prison

Peru

Type

—

Capacity

—

Held

—

Mihaliccik Cezaevi

Türkiye

Type

—

Capacity

—

Held

—

Mike Durfee State Prison

United States · Springfield

Medium

Type

State prison

Capacity

2,044

Held

1,245

Under capacity (61%)

Mikitivs'ka vipravna koloniia No. 87

Ukraine

Type

—

Capacity

—

Held

—

Mikkeli prison

Finland

Type

—

Capacity

116

Held

—

Mikolayivs'kii slidchii izoliator

Ukraine

Type

—

Capacity

—

Held

—

Mikulin concentration camp

Germany

Type

Concentration camp

Capacity

—

Held

—

Mikulino Ghetto

Germany

Type

Ghetto

Capacity

—

Held

—

Milam County Courthouse and Jail

United States · Cameron

Type

—

Capacity

—

Held

—

Milam County Jail

United States · Cameron

Type

County jail

Capacity

160

Held

137

Under capacity (86%)Low

Milan Detention Center

United States

Type

—

Capacity

—

Held

—

Milanówek concentration camp

Poland

Type

Concentration camp

Capacity

—

Held

—

Milan Youth Development Campus

United States · Milan

Juvenile

Type

State prison

Capacity

150

Held

126

Under capacity (84%)Low

Milbertshofen concentration camp

Germany

Type

Concentration camp

Capacity

—

Held

—

Mildenberg concentration camp

Germany

Type

Concentration camp

Capacity

—

Held

—

Mile 2 Prison

Gambia

Type

—

Capacity

—

Held

—

Milejów concentration camp

Germany

Type

Concentration camp

Capacity

—

Held

—

Mi Le Shi Kan Shou Suo

China

Type

—

Capacity

—

Held

—

Milewo concentration camp

Poland

Type

Concentration camp

Capacity

—

Held

—

Milhailovca concentration camp

Ukraine

Type

Concentration camp

Capacity

—

Held

—

Military complex within Carrickfergus Borough Council yard

United Kingdom

Type

—

Capacity

—

Held

—

Military Correctional Institution

South Korea

Type

—

Capacity

—

Held

—

Military Prison, 11th Military District

Thailand

Type

—

Capacity

—

Held

—

Military Prison, Edinburgh Castle

United Kingdom

Type

—

Capacity

—

Held

—

Military Units to Aid Production

Cuba

Type

—

Capacity

—

Held

—

Millard County Jail

United States

Type

—

Capacity

—

Held

—

Millard County Jail / Sheriff

United States · Fillmore

Type

County jail

Capacity

—

Held

—

Millbank Prison

United Kingdom

Type

—

Capacity

—

Held

—

Mill Creek Correctional Facility

United States · Salem

Minimum

Type

State prison

Capacity

240

Held

276

Overcrowded (115%)

Mill Creek Youth Center

United States · Ogden

Juvenile

Type

State prison

Capacity

Held

Under capacity (55%)Low