San Francisco is a major city in California, the centerpiece of the Bay Area. It’s situated on the West Coast of the United States. San Francisco is among the world’s most picturesque cities and one of the most culturally rich. It is the region’s economic, transportation, and cultural center. Since the Gold Rush era, San Francisco is renowned for influencing other cities around the world. It is famous for its astounding architecture and modern structures that stand side by side to complement each other. Some of the places that make it famous include the amazing structures like Golden Gate Bridge, Alcatraz Island, Union Square, Chinatown, the Painted Ladies and the bustling Fisherman's Wharf.

Census in the United States is done every 10 years, and 2020 was the last time that it was conducted. According to the 2020 census, San Francisco had a population of 883,305. Compared to other cities in California, San Francisco is considered very diverse. The city is known for its rich cultural diversity and a large LGBTQ+ community. According to the data collected during the 2020 census, San Francisco houses residents who collectively speak various languages, including Spanish, Chinese, Tagalog, Russian, and of course English. The Golden Gate Bridge, a defining symbol of San Francisco, has been declared one of the Wonders of the Modern World by the American Society of Civil Engineers. San Francisco is also known for its unique microclimates due to its varied topography and maritime influence.

The city of San Francisco operates under a Mayor-Council form of government. The Mayor of San Francisco, who is elected every four years, holds executive powers. The San Francisco Board of Supervisors, which consists of 11 members representing geographical districts, serves as the legislative body. The board has the power to pass laws and has budgetary authority. The Mayor and the Board of Supervisors are responsible for strategic planning, public safety, most aspects of transport, and economic development. Each district in San Francisco has its unique neighborhood councils and organizations that address local concerns.

San Francisco enjoys the status of being one of the largest city economies in the world. The city is a hub for the tech industry, with the world-renowned Silicon Valley located in its southern part. San Francisco has a GDP of over $500 billion, which is about 2.5 percent of the total U.S. GDP. The Port of San Francisco handles millions of tons of cargo every year, servicing both passenger and cargo ships.

San Francisco is at the forefront of infrastructure development. The city is home to world-class infrastructure facilities, from modern energy solutions, water and sewerage systems, to enhanced digital connectivity and extensive transport networks. Private sector investment plays a crucial role in the city's infrastructure development, particularly in the tech industry. The city is also known for its commitment to sustainable infrastructure, including renewable energy and green building initiatives.