Sector 2158

From Memory Alpha, the free Star Trek reference.

Sector 2158 is a sector of space located near the Romulan Neutral Zone, next to the Kaleb sector.

Many planets in this sector contain archaeological sites of the Debrune or the ancient Romulans, including Barradas III, Calder II, Draken IV and Yadalla Prime as well as several planets in the Taugan system. All those sites except for Draken IV and Yadalla Prime were raided by a mercenary ship commanded by Arctus Baran in 2370. (TNG: "Gambit, Part I")