The University of California (UC) system comprises 10 campuses, which are located in Berkeley, Davis, Irvine, Los Angeles, Merced, Riverside, San Diego, San Francisco, Santa Barbara, and Santa Cruz, that operate 150 institutes, centers, bureaus, and research laboratories throughout the state. All of the campuses offer undergraduate, graduate, and professional education with one, San Francisco, devoted exclusively to the health sciences. In addition, the University operates teaching hospitals and clinics in five counties. The UC system has more than 5,700 buildings with 125 million gross square feet on approximately 30,000 acres.