UC San Francisco, or UCSF, is the smallest university in the University of California system. It exists to train medical students for the most part, with a nearly equal balance of graduate students and professional students.

UCSF is divided into four campuses:

• UCSF Parnassus holds the UCSF Medical Center
• UCSF Mission Bay is a frequent location for meetings of the UC Regents
• UCSF Mount Zion
• UCSF Laurel Heights