National Preventive Mechanism Number of visits in 2016 in individual Laender according to type of institution or facility police ret.+ nur.h. youth inst.f. corr. disabl. psych. wards inst. others pol.op Vienna 27 17 35 21 6 11 7 17 Burgenland 2 9 8 2 0 0 0 2 Lower Austria 5 30 24 13 7 12 10 0 Upper Austria 9 7 8 12 1 3 0 3 Salzburg 5 7 3 5 0 1 1 1 Carinthia 4 4 3 4 5 1 3 4 Styria 7 22 6 4 10 5 10 10 Vorarlberg 2 1 0 1 3 2 0 0 Tyrol 7 28 11 14 9 2 3 6 total 68 125 98 76 41 37 34 43 of which unannounced 68 122 97 76 40 34 30 12 Barracks have not been included in his table, as none were visited in 2016 Legend: police ret.+nur.h. youth inst.f.disabl. psych.wards corr.inst. others pol.op. = plolice = retirement and nursing homes = youth welfare facilities = institutions for persons with disabilities = psychiatric wards in medical facilities and hospitals = correctional institutions = asylum seeker accommodation etc. = police operations It is clear from the overall total how often each type of institution or facility was controlled and how often police operations were observed. As mentioned above, the difference in frequency reflects the different number of institutions. It is also apparent from the table that more institutions and facilities are situated in urban areas and that more visits are carried out there. The following table reports the overall number of visits according to the Land. 86