San Diego State University (SDSU), founded in 1897, is the largest and oldest higher education facility in the greater San Diego area (generally the City and County of San Diego), and is part of the California State University system. It is the third-oldest university in the California State University system, and one of the oldest universities in California. SDSU has a student body of approximately 34,500 (as of the beginning of the Fall 2006 academic year) and an alumni base of more than 200,000.