This stylishly revamped former prison (1882) in Metelkova has 20 'cells', designed by different artists and architects, and complete with original bars. There are nine rooms and apartments with three to seven beds and a packed, popular 12-bed dorm. The ground floor is home to a cafe and restaurant (set lunch around €7). Bikes cost €3/6 for a half-/full day.
The hostel boasts its own gallery where everyone can show their work.