The Slovenian Ministry of Interior’s (Directorate of Internal Administrative Affairs, Migration and Naturalisation) official response to an information request submitted by the Global Detention Project and Access Info Europe in 2013 as part of a joint project to map access to migration-related detention data in several dozen countries in Europe and North America. The results of the investigation were reported in the joint publication, “The Uncounted: The Detention of Migrants and Asylum Seekers in Europe” (GDP and Access Info Europe, December 2015).