Aria Resort and Casino is a luxury resort and casino, part of the CityCenter complex on the Las Vegas Strip in Paradise, Nevada. Aria consists of two curved glass and steel highrise towers adjoined at the center. It opened on December 16, 2009 as a joint venture between MGM Resorts International and Infinity World Development. At 4,000,000 sq ft (370,000 m2) and 600 ft (180 m) in height, it is the largest and tallest structure at CityCenter.
The resort's 61 and 51-story towers contain an American Automobile Association five diamond hotel with 4,004 guest rooms and suites, 16 restaurants, 10 bars and nightclubs, and a casino with 150,000 sq ft (14,000 m2) of gaming space. It also has a 215,000 sq ft (20,000 m2) pool area with 34 cabanas, an 80,000 sq ft (7,400 m2) salon and spa, a 300,000 sq ft (28,000 m2) convention center and a 1,800-seat theater which hosted Zarkana by Cirque du Soleil, until closing April 30th, 2016.