| D | Düsseldorf |
| DA | Darmstadt |
| DAH | Dachau |
| DAN | Lüchow-Dannenberg |
| DAU | Daun |
| DBR | Bad Doberan |
| DD | Dresden |
| DE | Dessau |
| DEG | Deggendorf |
| DEL | Delmenhorst |
| DGF | Dingolfing-Landau |
| DH | Diepholz |
| DL | Döbeln |
| DLG | Dillingen-Donau |
| DM | Demmin |
| DN | Düren |
| DO | Dortmund |
| DON | Donau-Ries |
| DU | Duisburg |
| DÜW | Bad Dürkheim |
| DW | Weißeritzkreis |
| DZ | Delitzsch |