| Coordinates | 53°52′41″N 9°24′55″E |
|---|---|
| State | Schleswig-Holstein |
| District | Steinburg |
| Amt | Wilstermarsch |
| Elevation | 5 |
| Area | 13.57 |
| Postal code | 25573 |
| Area code | 04823, 04829 |
| Licence | IZ |
| Gemeindeschlüssel | 01 0 61 007 |
| Website | www.wilstermarsch.de |
| Mayor | Andreas Lorenz |
| Party | CDU |
Beidenfleth is a municipality in the district of Steinburg, in Schleswig-Holstein, Germany.