The subject is "San Francisco is a city in California." The simple subject is "San Francisco."
San Francisco, California, USA
In California it includes San Francisco and all the regions around San Francisco
California Theatre - San Francisco - was created in 1869.
San Francisco, California
San Francisco, USA.
The Golden Gate Bridge is located in San Francisco, California. The bridge was completed in 1937 and spans the San Francisco Bay. San Francisco (LEFT (western) Coast USA )
Alcatraz was the name of a prison off the the coast of San Francisco in California, USA
Yes, a comma is needed in the sentence to separate "San Francisco" and "California": "You went to San Francisco, California, last week." This helps clarify that "California" is referring to the state where San Francisco is located.
san francisco
No, San Francisco is a city in the state of California.
San Francisco Bay