F-type prison
F-Type-Prisons, officially called F-type High Security Closed Institutions for the Execution of Sentences (F tipi cezaevi / F Tipi Yüksek Güvenlikli Kapalı Ceza İnfaz Kurumu), are high-security closed prisons designated by Turkish Law 5275 on the Execution of Sentences. Those sentenced to F-type prisons include political prisoners, members of armed organizations, people convicted of drug offences or organized crimes, and those sentenced to aggravated life imprisonment.