<p>The Las Vegas Valley is a metropolitan area in the southern part of the US state of Nevada, and is the heart of the Las Vegas–Paradise, NV MSA also known as the Las Vegas–Paradise–Henderson MSA which includes all of Clark County, Nevada. The Valley is defined by the Las Vegas Valley landform, a 600 sq mi (1,600 km) basin area that contains the largest concentration of people in the state. The history of the Valley significantly intertwines with the history of the city of Las Vegas and one of the two primary cities (as used by the census bureau) in the MSA, with the other being Paradise. The valley is home to the three largest incorporated cities in Nevada: Las Vegas, Henderson and North Las Vegas.
The names Las Vegas and Vegas are used to indicate the valley, the strip, the city and are used as a brand by the Las Vegas Convention and Visitors Authority and used to denominate the entire region. The metropolitan area's population was at 741,459 in 1990. The population was approximately 2 million in 2010 (estimated). The valley is an area generally defined by the Spring Mountains on the west, Sheep Mountains to the north, Muddy Mountains and Lake Mead to the east, and the Black</p>