"Many Zabrak identify themselves by the colony they hail from." - Star Wars Roleplaying Game Revised Core Rulebook
"The Zabrak are another one of the early spacefaring races of the galaxy, a humanoid species that arose in the Iridonia system (many refer to the species as the Iridonian Zabrak)." - Star Wars Roleplaying Game Alien Anthology
Yeah, I'm that big a geek. =)