Dorias Cluster

From Memory Alpha, the free Star Trek reference

The Dorias Cluster is a stellar cluster consisting of over twenty star systems, including the Xendi Kabu system. The cluster also contains a dichromic nebula and a class 4 pulsar, positioned three light years apart.

In 2370, former DaiMon Bok sent a number of message probes to Captain Jean-Luc Picard from a ship near the Xendi Kabu system. (TNG: "Bloodlines")