It also possess pool area with 50 cabanas, salon and spa, convention center and a 1,800-seat theater which currently hosts Zarkana by Cirque du Soleil. The resorts houses AAA five diamond Hotel with 4,004 guest rooms and suites, 16 restaurants, 10 bars and nightclubs, and a casino with of gaming space. Its building is 180 meter tall and is the largest one at Citycenter. It was established in 2009 as a collaboration between MGM Resorts Inter National and Infinity World Development. Aria is housed in two curved glass and steel highrise towers adjoined at the center. Aria Hotel Las Vegas Contact Phone Number is : (866) 359-7111 and Address is 3730 South Las Vegas Boulevard, Las Vegas, NV 89158, United States Aria Resort and Casino is well known luxury resort and casino in the Cit圜enter complex on the Las Vegas Strip in Paradise, Nevada.