This final paper covers basic information about the USA and California and the city of San Francisco, as the main topic of the paper. The United States of America, a federal republic of 50 states, is a country in North America. California, the 31st American state, is located in the western part of the States, on the Pacific coast. In California there is a city named San Francisco, officially, the City and County is the cultural, commercial and financial center of Northern California. San Francisco is the 13th-most populous city in the United States and the fourth-most populous in California. Tourism contributes to complete growth and development of California: firstly, by bringing a great economic value and benefits and secondly, by helping build the country's brand value, image and identity. Some of the most popular tourist attractions in San Francisco include, among many others, the Golden Gate Bridge and Alcatraz Island. There are also many other historical and cultural sights that attract tourists from all over the States, but also from all over the world. While sports tourism has not always been extremely popular, during the recent decade the number of people attending the sporting events has drastically increased, which altogether largely contribute to the overall city economy, as well as the economy of California.