His brows furrow as he tries to imagine a Nexus with not only human galactic empires, but alien ones as well. All he can conjure up is various genetic modifications that have formed their own groups in niche systems though that's hardly the same. Kaidan's request is far easier to deal with.

"Those would be the Cetagandan Empire," he says with a small motion to the base around them, "And the Betans although the latter seeks to explore and colonize on uninhabited planets." When the mood struck them. "There are other planetary governments that hold their own, but not on the scale they do. Komarr would be the closest planet to Barrayar, but it's primarily a trade hub."