Bashi was a location referenced in the Children of Tama language metaphorical phrase, "Kira at Bashi."
In 2368, Captain Dathon uttered this phrase to Captain Jean-Luc Picard on El-Adrel IV. The Tamarian captain was implying that he wanted to hear a story from the Human captain. (TNG: "Darmok")
This location was only mentioned in dialogue.