The Romulans are a Beta Quadrant race from the planet Romulus. In the 2373, when the borg began to atttack the entire galaxy, the romulans did their best to fight off the borg. As the crusade raged on, the refugees of the Romulan Star Empire went to the humans home system when they learned it was really the only safe place left. By, 2380, the only planets the romulans had left was Romulus and Remus. 11 Billion Romulans live in the humans star system.