Aria Resort and Casino is a luxury resort and casino, and the primary property at the CityCenter complex, located on the Las Vegas Strip in Paradise, Nevada. It is owned by The Blackstone Group and operated by MGM Resorts International. Construction began on June 25, 2006, with a design by Pelli Clarke Pelli Architects. Aria received LEED Gold certification for its environmentally friendly design, and is the largest hotel in the world to achieve such a feat.

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