Starfleet Headquarters (Vanguard Command)

Starfleet Headquarters, or SF-HQ, is the command center of Starfleet Command. It is a vast complex of buildings and facilities in San Francisco on Earth from which the whole of Starfleet is run by Starfleet Command and the Flag Officers belonging to the Office of the Admiralty who collectively oversee its operations.

The term may also refer to that one specific building within the complex from which central decisions are made and in which the office of the Commander-in-Chief, the Deputy Commander-in-Chief, and the Chiefs of Division of Starfleet are located.