Starbase 11

Starbase 11 is a Federation space station, in use during the 23rd and 24th centuries. It is located in the Saken sector and is the closest base to the Planet Q.

In 2254, on stardate 3012.4, after suffering severe radiation poisoning, Captain Pike was sent to Starbase 11 where he recieved the best medical treatment. He recieved a visit from Ambassador Spock from the year 2373 who offered some encouraging words and promised that life was worth living. (Star Trek: New Voyages "In Harm's Way")

In 2351 The Cardassians raided the Federation settlement on Planet Q, killing thousands of colonists, including all but the two youngest members of the Eyler family. The starships Intrepid and Cairo were dispatched from Starbase 11, but before they reached the colony, three Klingon vessels arrived to defend the planet. The combined power of the Starfleet and Klingon ships drove the Cardassians away. (Star Trek: Pendragon)

On Stardate 9209.13, Edward Tunis was promoted to the rank of Captain and placed as commanding officer of the newly commissioned USS Lexington, NCC-1703-B. His command crew almost completely placed except for a Chief Medical Officer and Chief Science Officer, which would be assigned upon arrival at Starbase 11 in a few weeks. (Tales Of The Seventh Fleet)

In an alternate timeline, the Gorn made a sneak attack on Starbase 11 in September 2375 during the Federation-Gorn Conflict. (Star Trek: Pendragon)