General information:
| Population: 1,149,010 (2024) |
| Location: Germany (North Rhine-Westphalia) |
| Official Website |
The city and Efus
- Member since 2016
- Member of Efus Executive Committee since 2021 and reelected in 2024
The city and the national forum, the German European Forum for Urban Security (DEFUS)
- Member of DEFUS since 2016
- Vice-president of DEFUS from January 2017
