T'Cha

T'Cha was a location in the Beta Quadrant.

In 2257, its location was labeled on the star chart showing the trajectory of Lieutenant Spock's shuttle. (DIS: "An Obol for Charon")

This location was only mentioned in writing.
According to the Stellar Cartography: The Starfleet Reference Library ("Stellar Cartography", pp. 31; "Federation Historical Highlights, 2161-2385"), T'Cha was, according to a map of the Klingon Empire – prepared by the Scribe K'Tark for the Klingon High Council in the Year of Kahless 893 (2266) – identified as a Klingon star.