This paper is based on the outcomes of a study conducted by the Social and the Legal Department of Center for Life from March 2016 until December 2016 at the following detention centers: • Detainees’ Hospital of Korydallos • Women’s Department of the Korydallos Detention Center • Detention Facilities of Attika’s Aliens Directorate • Diavata Detention Center • Detention Facilities of Thessaloniki’s Aliens Directorate Data were collected by the following means: a) discussions with the HIV positive detainees hosted in the above detention centers (N=48) about the problems they face and their needs, b) monitoring of the practices applied by the respective administrations, c) discussions with the administrative staff over the problems reported by the detainees, and d) study of the recommended procedures by the Greek and the international law, as well as the relevant verdicts of the European Court of Human Rights, the existing reports by the Greek independent administrative authorities and the European Committee for the Prevention of Torture and Inhuman or Degrading Treatment or Punishment (CPT).