San Bernardino is a city located in the Inland Empire region of Southern California, USA. It is the county seat of San Bernardino County and is known for its rich history and diverse cultural heritage. The city is situated at the foothills of the San Bernardino Mountains, offering stunning views and outdoor recreational opportunities. San Bernardino has a vibrant downtown area with a mix of historic and modern architecture, including the iconic California Theatre and the San Bernardino History and Railroad Museum. The city is also home to California State University, San Bernardino, which adds a youthful energy to the community.