World Prisons

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Data is aggregated from public sources and may be incomplete or out of date.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

Mahoning County Juvenile Justice Center

United States

Type

—

Capacity

—

Held

—

Mahoning Facility

United States · Youngstown

Minimum

Type

State prison

Capacity

70

Held

—

Maia LPRS no. 12

Romania

Type

Concentration camp

Capacity

—

Held

—

Maiduguri Farm Centre Prison

Nigeria

Type

Farm Centre

Capacity

—

Held

—

Mai Gai Ti Xian Kan Shou Suo

China

Type

—

Capacity

—

Held

—

Maiha Prison

Uganda

Type

General

Capacity

51

Held

116

Overcrowded (227%)Moderate

Maikainlag

Kazakhstan

Type

—

Capacity

—

Held

—

Maina Satellite Prison

Nigeria

Type

Satellite

Capacity

—

Held

—

Maina Satellite Prison, Adamawa State

Nigeria

Type

—

Capacity

—

Held

—

Main Cellblock

Canada

Type

—

Capacity

—

Held

—

Maine Correctional Center

United States · Windham

Medium

Type

State prison

Capacity

650

Held

500

Under capacity (77%)

Maine Department of Corrections

United States · Belfast

Type

—

Capacity

—

Held

—

Maine Industrial School for Girls

United States

Type

—

Capacity

—

Held

—

Maine State Prison

United States · Warren

Close

Type

State prison

Capacity

916

Held

836

Under capacity (91%)

Maintyn khorikh angi

Mongolia

Type

—

Capacity

—

Held

—

Mainz-Finthen concentration camp

Germany

Type

Concentration camp

Capacity

—

Held

—

Mainz-Gustavsburg concentration camp

Germany

Type

Concentration camp

Capacity

—

Held

—

Mainz-Ingelheimerau concentration camp

Germany

Type

Concentration camp

Capacity

—

Held

—

Mainz-Weisenau concentration camp

Germany

Type

Concentration camp

Capacity

—

Held

—

Mairinque - Penit.

Brazil · Mairinque

maximum

Type

—

Capacity

811

Held

1,545

Overcrowded (191%)

Maison Arret et de Correction de Thies

Senegal

Type

—

Capacity

—

Held

—

maison centrale

Guinea

Type

—

Capacity

—

Held

—

maison centrale

France

Type

—

Capacity

—

Held

—

Maison centrale Arles

France · Arles

high-security

Type

Maison centrale

Capacity

160

Held

143

Under capacity (89%)Low

Maison Centrale d'Ambatondrazaka

Madagascar

Type

—

Capacity

—

Held

—

Maison centrale d'Arles

France · Arles

Maximum

Type

Maison centrale

Capacity

—

Held

—

Maison centrale de Clairvaux

France · Ville-sous-la-Ferté

Maximum

Type

Maison centrale

Capacity

80

Held

—

Maison centrale de Conakry

Guinea

Type

—

Capacity

—

Held

—

maison centrale de Montpellier

France

Type

—

Capacity

—

Held

—

Maison centrale d'Ensisheim

France · Ensisheim

Maximum

Type

Maison centrale

Capacity

205

Held

—