Sphere is a music and entertainment arena in Paradise, Nevada, United States, east of the Las Vegas Strip. Designed by Populous, the project was announced by the Madison Square Garden Company in 2018, known then as the MSG Sphere. The 18,600-seat auditorium is being marketed for its immersive video and audio capabilities, which include a 16K resolution wraparound interior LED screen, speakers with beamforming and wave field synthesis technologies, and 4D physical effects. The venue's exterior also features 580,000 sq ft (54,000 m2) of LED displays. Sphere measures 366 feet (112 m) high and 516 feet (157 m) wide. The arena cost $2.3 billion, making it by far the most expensive entertainment venue built in Las Vegas.

Paradise is an unincorporated town and census-designated place (CDP) in Clark County, Nevada, United States, adjacent to the city of Las Vegas. It was formed on December 8, 1950. Its population was 191,238 at the 2020 census, making it the fifth-most-populous CDP in the United States; if it were an incorporated city, it would be the fifth-largest in Nevada. As an unincorporated town, it is governed by the Clark County Commission with input from the Paradise Town Advisory Board.