Opening Hours
We are open from Monday to Friday from 9:00 a.m. to 5:00 p.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). Due to increased work in the home office, there may be a longer response time in individual cases. Thank you for your understanding.
The office will be closed on thursday, 19 June 2025.
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-Fri: 9-17h) and explore it independently. Our guided tours for groups can be requested here (we recommend at least 3 weeks lead time).