Starbase 33

Starbase 33 was a Starfleet starbase located between Delta Vega and Vanguard (Starbase 47).

In 2265, after leaving Delta Vega and being repaired at Vanguard, the USS Enterprise went to Starbase 33 to be debriefed by Admiral Saylor. (TOS novel: ''My Brother's Keeper: Constitution)

In 2268, the Enterprise returned to Starbase 33 after completing a mission in the Badlands. (TOS novella: Star Trek: The Badlands, Book 1).