Las Vegas, officially the City of Las Vegas and often known simply as Vegas, is the 28th-most populated city in the United States, the most populated city in the state of Nevada, and the county seat of Clark County. The city anchors the Las Vegas Valley metropolitan area and is the largest city within the greater Mojave Desert. Las Vegas is an internationally renowned major resort city, known primarily for its gambling, shopping, fine dining, entertainment, and nightlife. The Las Vegas Valley as a whole serves as the leading financial, commercial, and cultural center for Nevada. The city bills itself as The Entertainment Capital of the World, and is famous for its mega casino– hotels and associated activities. It is a top three destination in the United States for business conventions and a global leader in the hospitality industry, claiming more AAA Five Diamond hotels than any other city in the world. Today, Las Vegas annually ranks as one of the world’s most visited tourist destinations. The city’s tolerance for numerous forms of adult entertainment earned it the title of Sin City, and has made Las Vegas a popular setting for literature, films, television programs, and music videos.
Las Vegas is situated within Clark County in a basin on the floor of the Mojave Desert[ and is surrounded by mountain ranges on all sides. Much of the landscape is rocky and arid with desert vegetation and wildlife. It can be subjected to torrential flash floods, although much has been done to mitigate the effects of flash floods through improved drainage systems. The peaks surrounding Las Vegas reach elevations of over 10,000 feet (3,000 m), and act as barriers to the strong flow of moisture from the surrounding area. The elevation is approximately 2,030 ft (620 m) above sea level. According to the United States Census Bureau, the city has a total area of 135.86 sq mi (351.9 km2 ), of which 135.81 sq mi (351.7 km2 ) is land and 0.05 sq mi (0.13 km2 ) (0.03%) is water.