| Mailing Address | Christian Siebold Laubenweg 15 78224 Singen |
| konstanz@eurojumelages.eu |
| Chairman Mailing Address - email - tel |
Mr. Christian SIEBOLD konstanz@eurojumelages.eu |
| Secretary Mailing Address - email - tel |
|
| Year of foundation | 1977 |
| Twinning with | Haut-Rhin | founded in 2005 |
| active twinning | last meeting at 11/10/2014 | |