Starbase 66 was a Federation Starfleet starbase in operation in the 24th century, located in the galaxy's Alpha or Beta Quadrants.
History[]
In November, 2383, the starship USS Enterprise-E was to pick up delegates representing the Federation, the Ferengi Alliance and the Cardassian Union at the starbase for the Venette Convention, with Cardassian Negotiator Detrek and her team transferring from the cruiser Ghemor. (ST - Typhon Pact novel: Brinkmanship)