| Place name (English): | Haselau |
| Place name (local language): | |
| Place name (alt. local language): | |
| Place name (older spelling): | |
| Place name (other common spelling/language): | |
| Place type: | municipality |
| Is in the area of: | Pinneberg |
| Note: |
| 1 | Volf von Ahlefeldt til Haselau og Kaden (around 1528-11 November 1572), parents: Frederik von Ahlefeldt til Haseldorf, Haselau, Seestermüh og Kaden and Catharine Pogwisch |