Civic Center, San Francisco Civic Center, San Francisco The Civic Center in San Francisco, California, is an area of a few blocks north of the intersection of Market Street and Van Ness Avenue that contains many of the city's largest government and cultural institutions. It has two large plazas (Civic Center Plaza and United Nations Plaza) and a number of buildings in classical architectural style. The Bill Graham Civic Auditorium (formerly the Exposition Auditorium), the United Nations Charter was signed in the War Memorial Veterans Building's Herbst Theatre in 1945, leading to the creation of the United Nations. It is also where the 1951
San Francisco City and County of San Francisco—is a consolidated city-county, a status it has held since the 1856 secession of what is now San Mateo County. It is the only such consolidation in California. The mayor is also the county executive, and the county Board of Supervisors acts as the city council. The government of San Francisco is a charter city and is constituted of two co-equal branches. The executive branch is headed by the mayor and includes other citywide elected and appointed officials as well as the civil service. The 11-member Board of Supervisors, the legislative branch, is headed by