The city of Las Vegas is founded in Nevada, United States.

Las Vegas, colloquially referred to as Vegas, is the most populous city in the U.S. state of Nevada and the seat of Clark County. It is the 24th-most populous city in the United States with 641,903 residents at the 2020 census, while the Las Vegas metropolitan area has an estimated 2.4 million residents and is the 29th-largest metropolitan area in the nation. Las Vegas is an internationally renowned major resort city, known primarily for its gambling, shopping, fine dining, entertainment, and nightlife. Most of these venues are located in downtown Las Vegas or on the Las Vegas Strip, which is outside city limits in the unincorporated towns of Paradise and Winchester. The Las Vegas Valley serves as the leading financial, commercial, and cultural center in Nevada.

Nevada is a landlocked state in the Western United States. Nevada is also sometimes placed in the Mountain West and Southwestern United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, the 32nd-most populous, and the ninth-least densely populated U.S. state. Nearly three-quarters of Nevada's population live in Clark County, which contains the Las Vegas–Paradise metropolitan area, including three of the state's four largest incorporated cities. Nevada's capital is Carson City. Las Vegas is the largest city in the state.

May 15 is the 135th day of the year in the Gregorian calendar; 230 days remain until the end of the year.