Arbazans were a member race of the Federation, described by some as being "sexually repressed." (DS9 episode: "The Forsaken")
Their homeworld was Arbaza, in the Arbazan system, in the Alpha Quadrant (ST reference: Star Charts).
An Arbazan competed in an interplanetary gymnastics event at the University of Mississippi on Earth in 2245. (DS9 - The Lives of Dax short story: "Old Souls")
In 2369, the Arbazan ambassador Taxco visited Deep Space 9 with ambassadors Lwaxana Troi, Lojal and Vadosia. (DS9 episode: "The Forsaken")