The 39th Chaos Communication Congress takes place in the [Congress Center Hamburg](https://www.cch.de/), Germany.
More Information about how to get there on the [Travel](https://events.ccc.de/congress/2025/infos/travel.html) page.
Venue layouts will be available at [39c3.c3nav.de](https://39c3.c3nav.de/), but not are not yet customised for this year's changes.
Starting from the top:
### Main lecture halls (Level 2-4)
* [**Saal One**](https://events.ccc.de/congress/2025/hub/room/detail/15-one/) is the main lecture hall in the center of the venue with about 3000 seats,
* [**Saal Ground**](https://events.ccc.de/congress/2025/hub/room/detail/16-ground/) with about 1200 seats,
* [**Saal Zero**](https://events.ccc.de/congress/2025/hub/room/detail/17-zero/) with about 900 seats and
* [**Saal Fuse**](https://events.ccc.de/congress/2025/hub/room/detail/18-fuse/) with about 289 seats.
These halls host the main conference program curated by the [CCC Content Teams](https://content.events.ccc.de/), an will be recorded and published to [media.ccc.de](https://media.ccc.de/) by our Video Operation Center ([c3voc](https://events.ccc.de/congress/2024/hub/en/dereferrer/https://c3voc.de)).
### Self-organized stage / Workshop rooms
In CCH West Level +2, next to Saal Ground,
* [**SoS Lecture E**](https://events.ccc.de/congress/2025/hub/room/detail/sos-lecture-e/) with theatre-style seating (chairs in rows), approx. 250 seats;
* [**SoS Workshop D**](https://events.ccc.de/congress/2025/hub/room/detail/sos-workshop-d/) with banquet seating (large, round tables, e.g. for workshops), approx. 120 seats; and
in Level 0 (ground floor), in Halle H
* [**SoS Stage H**](https://events.ccc.de/congress/2025/hub/room/detail/sos-stage-h/) with place for approx. 200 people
in Level 1 (Garderobenfoyer 1), in the center of the venue
* [**SoS Lecture 6**](https://events.ccc.de/congress/2025/hub/room/detail/sos-lecture-6/) with theatre-style seating, approx. 60 seats
are scheduled via the self-organized events feature of the Hub.
The public Self-organized Sessions (SoS) room booking is a little different this year and will have multiple phases. We will announce more details in an upcoming blog post.
### Assemblies (Level 2)
CCH East:
* Saal X
* [Saal X 07](https://events.ccc.de/congress/2025/hub/room/detail/sendezentrum-buehne/) (Sendezentrum Bühne)
### Assemblies (Level 1)
CCH West
* **Saal B+C:** [**Kidspace**](https://events.ccc.de/congress/2025/hub/assembly/detail/c3kidspace)
* [Kidspace - Workshopraum](https://events.ccc.de/congress/2025/hub/room/detail/kidspace-workshopraum/)
* [Kidspace - Hackcenter](https://events.ccc.de/congress/2025/hub/room/detail/kidspace-hackcenter/)
* [Kidspace - Affenfelsen](https://events.ccc.de/congress/2025/hub/room/detail/kidspace-affenfelsen/)
* [Kidspace - Basteltische](https://events.ccc.de/congress/2025/hub/room/detail/kidspace-basteltische/)
* [Kidspace - Elektrotisch](https://events.ccc.de/congress/2025/hub/room/detail/kidspace-elektrotisch/)
CCH Mitte / Garderobenfoyer 1:
* **Saal 5** is operated by Jugend hackt / [chaos.jetzt](https://events.ccc.de/congress/2025/hub/assembly/detail/chaos_jetzt)
* TBD
CCH East:
* Infodesk, POC,
* Saal Y
* **Saal Y 06** (Stonewall.IO) operated by [Haecksen](https://events.ccc.de/congress/2025/hub/assembly/detail/haecksen-assembly)
### Assemblies (Level 0)
Level 0 (ground floor) hosts the entrance area, many assembly spaces (Saal 3, Saal 4, Halle H, Foyer 3+H) and of course, there will be a Lounge as well – but this time in a new location!
Saal 3
* TBD
Saal 4
* TBD
Foyer 3+H
* TBD
Halle H
* TBD