| INTERSTELLAR STATE | |
| Vulcan Empire | |
| |
| Dominant species: | Vulcan |
| Location: | Alpha and Beta Quadrants |
| Capital: | ShiKahr, Vulcan |
| Sovereignty: | c. 2155 |
| Military: | Vulcan Defense Force |
| Government | |
| System of government: | Dictatorship |
| Head of state: | Empress T'Les |
| Head of government: | Empress T'Les |
| People | |
| Currency: | Vulcan credit |
| Language: | Vulcan |
| Holiday: | Vulcan day |
In the dark mirror universe, the Vulcan Empire was a militaristic Vulcan dominated governmental authority controlling Vulcan, Betazed, Earth, Trill, Bajor and surrounding space through the use of the strong powerful Vulcan Defense Force.
The Vulcan Empire was formed in 2155, after T'Pol became the first Vulcan to served as Empress of the Terran Empire, and allow her people to served as equals rather then slaves, and became new allies to the Terran Empire as they planning their war against the Romulans.
After the war, the Vulcan Empire became allies to many Empires, such as the Betazoids, the Centaurans, the Deltans and the Trill.