Opening Hours
We are open from Monday to Thursady from 9:00 a.m. to 5:00 p.m. and Friday from 9:00 a.m. to 12:00 a.m. on the 4th floor of the Ehrenfeld District Town Hall (Bezirksrathaus), Venloer Straße 419, 50825 Cologne. (Location plan)
We are available by e-mail and telephone (+49 221 800 28 30).
The office will be closed from 24 December 2025 until 2 January 2026. We kindly ask for your understanding and wish you happy holidays.
Archive research
Research in our archives as well as in the library is possible for 2 persons at the same time. Pre-registration must be made using this form https://domid.org/recherche/archiv/. Please do not show up until we have confirmed your appointment.
Hallway exhibition
You are welcome to visit our small showcase exhibition with a maximum of 5 people during the opening hours of our office (Mon-Thu: 9-17h & Fr: 9-12h) and explore it independently. Our guided tours for groups can be requested here (we recommend at least 3 weeks lead time).