Stanford University, located in Stanford, California, United States, is a private research university established in 1891. It is one of the world's leading research universities and is known for its entrepreneurial spirit, innovation and impact on the global stage. The university's 8,180 acres of land include a large amount of natural resources and state-of-the-art facilities. The main campus is located on a lush and scenic peninsula on the San Francisco Bay. It has the oldest independent library system in the world and is also the only private research university in the United States to have its own city. Stanford University's academic strength is in the fields of engineering, computer science, business and management, medicine, law and social science. The university has a strong entrepreneurial spirit and is one of the most important entrepreneurial centers in the world. It has produced many successful entrepreneurs and billionaires. In addition, Stanford University is also known for its leadership in scientific research in fields such as artificial intelligence, energy science and bioscience. Stanford University's students come from all over the world, with a high proportion of international students. The school has a strong emphasis on internationalization and cross-cultural communication. The language of instruction is English. The cost of Stanford University is one of the highest in the United States, but its quality of education and alumni success have long made it one of the most competitive universities in the world.