| INTERSTELLAR STATE | |
| Cardassian Union | |
| |
| Dominant species: | Cardassian |
| Location: | Alpha Quadrant |
| Capital: | Cardassia City, Cardassia |
| Sovereignty: | 1871 to 2375 |
| Military: | Cardassian Guard |
| Government | |
| Legislature: | Detapa Council
|
| Currency: | lek, drokna |
| Holiday: | Union Day |
In the dark mirror universe, the Cardassian Union was once an interstellar state located in the Alpha Quadrant until it was overthrown by the forces of the Terran Empire and their Dominion allies in 2375.