The University of California (UC) system comprises ten campuses (Berkeley, Davis, Irvine, Los Angeles, Merced, Riverside, San Diego, San Francisco, Santa Barbara, and Santa Cruz) which operate 150 institutes, centers, bureaus, and research laboratories throughout the state. Nine of the campuses offer undergraduate, graduate, and professional education--with one other, San Francisco, devoted exclusively to the graduate health sciences. In addition, the University operates teaching hospitals and clinics in six counties. The UC system has more than 5,500 buildings with over 130 million gross square feet on approximately 30,000 acres.