Reno is a city in the northwest section of the U.S. state of Nevada, along the Nevada-California border, about 22 miles (35 km) from Lake Tahoe, known as "The Biggest Little City in the World".Known for its casino and tourism industry, Reno is the county seatand largest city of Washoe County and sits in the High Sierra foothills, in the Truckee River valley, at the eastern side of the Sierra Nevada. Reno metro area (along with the neighboring city Sparks) occupies a valley colloquially known as the Truckee Meadows, which because of large-scale investments from Greater Seattle and San Francisco Bay Area companies such as Amazon, Tesla, Panasonic, Microsoft, Apple, and Google has become a new major technology center in the United States.