Reno is a city in the U.S. state of Nevada. It is located in Northern Nevada, approximately 22mi from Lake Tahoe. Known as "The Biggest Little City in the World", Reno is famous for its casinos and as the birthplace of Caesars Entertainment Corporation. It is the county seat of Washoe County, located in the northwestern part of the state. The city sits in a high desert at the foot of the Sierra Nevada and its downtown area (along with Sparks) occupies a valley informally known as the Truckee Meadows.Reno is the most populous Nevada city outside of the Las Vegas–Paradise, NV MSA, with an estimated population of 233,294 in 2013, and is the third most populous city in the state after Las Vegas and Henderson.Reno is part of the Reno–Sparks metropolitan area, which consists of all of both Washoe and Storey counties, and has a 2013 estimated population of 420,000, making it the second largest metropolitan area in Nevada.HistoryArchaeological finds place the eastern border for the prehistoric Martis people in the Reno area.