Pre‐trial detention  centres ‐ 70 Deportation  centres ‐ 8  Guarded centres for  foreigners ‐ 6  Juvenile detention centres and  juvenile shelters (operating  jointly) ‐ 10  Youth care centres ‐ 74 Youth sociotherapy  centres ‐ 61 Rooms for detained persons  within the Police  organisational units ‐ 339 Police emergency centres for  children ‐ 27  Sobering stations ‐ 43 Analyzing the structure of detention places within the area of NPM's interest, it needs to be noted that social care centres are most numerous. 79317 social care centres operate in Poland (43.5% of all units to be visited), with the average of ca. 75 927 residents18.The number of institutions includes social care centres managed by local government units, the Catholic Church, other churches, religious associations, as well as social organisations, foundations and associations. The second largest category of places of detention coveres rooms for detained persons within the police organizational units – 339 (17.8% of all units to be visited), whereas the third category includes psychiatric hospitals - 218 (11.4% of all units to be visited). Moreover, 157 penitentiary establishments19 (8.2%), including 87 prisons and 70 pre-trial detention centres, operate in Poland. The number of prisoners in the analysed year amounted to 80 72820, including: 71 867 convicts (89% of all prisoners of penitentiary units), 8 389 persons detained on remand (10.4%), 472 punished persons (0.6%). Juvenile centres constitute approximately 10.7% of all places of detention.NPM preventive visits are carried out, among others, to juvenile detention centres and juvenile shelters, whose total number is 35. In 2010 the limit of places in juvenile                                                              17 As of 31.12.2009 As of 31.12.2009 19 As of 31.12.2010 20 As of 31.12.2010 18