Hostel Celica

Hostel Celica opened in 2003 inside the 1882-built military prison that the Slovenian government handed to an NGO-led artist collective after the Yugoslav army left in 1991. Twenty former cells were reassigned one to each artist, who kept the bars on the doors and windows but redesigned every interior from scratch. The result is a working hostel where each 2-person private cell is a different piece: one has cast-iron fish swimming on the walls, one is painted pitch-black with a single reading lamp, one is done floor-to-ceiling as a green-and-yellow shrine. These sell out weeks in advance April to October.

Outside the cells, Celica runs as a standard hostel with 6, 8 and 12-bed mixed dorms on the top two floors, a female-only 6-bed, and four slightly larger non-cell privates. The courtyard is the draw: a gravelled garden bar open 8 am to midnight in summer, with the rest of the Metelkova squat 60 seconds through the metal gate. A continental buffet breakfast (including vegan, gluten-free and to-go options) runs 8 to 10 am on the ground floor and is priced into every rate.

Metelkova itself is the autonomous arts district that grew out of the squatters who took over the empty barracks after the army left: free-entry clubs (Klub Gromka, Menza pri Koritu, Channel Zero), punk murals on every wall, and a nightly underground scene that runs Thursday to Saturday from 10 pm. If you've been to the Tacheles in Berlin or Christiania in Copenhagen and wondered what the 1990s version of that looked like, Metelkova is the answer. Celica is the only proper hostel inside the complex.

Reviewers consistently flag three things: the design-cell rooms are worth it even if you're not a design-nerd (the wait-list for one is the reason the hostel books 90% capacity year-round), the breakfast is genuinely good (egg, cheese, breads, fresh fruit, strong coffee), and the reception runs bar crawls that start with a 9 pm meetup in the courtyard and walk through Metelkova stops 1 to 3 before joining Trubarjeva. The main criticism: if you book a design-cell and haven't been warned, the cells are genuinely cell-sized (2.5 m × 3 m), the walls are thick and soundproof but the doors still latch like prison doors, and the bathrooms are shared corridors.