The Inland Empire metropolitan area and region of Southern California, which sits directly east of the Los Angeles metropolitan area, covers more than 27,000 square miles (70,000 km2). The metropolitan area consists of Riverside County and San Bernardino County and is home to over 4 million people. The Inland Empire contains many museums, which are defined for this context as institutions (including nonprofit organizations, government entities, and private businesses) that collect and care for objects of cultural, artistic, scientific, or historical interest and make their collections or related exhibits available for public viewing. It includes non-profit and university art galleries. Museums that exist only in cyberspace (i.e., virtual museums) are not included in this list.