San Francisco County is located in the state of California and is known for its iconic landmarks, including the Golden Gate Bridge and Alcatraz Island. It is a densely populated urban area, with a diverse population and a rich cultural history. The county encompasses the city of San Francisco, which serves as its only incorporated city. The county covers approximately 47 square miles and is bordered by the Pacific Ocean to the west and San Francisco Bay to the east. It is known for its hilly terrain, vibrant neighborhoods, and significant contributions to technology and arts. San Francisco County is also a major tourist destination, attracting millions of visitors each year.