The Cotai Arena is an indoor arena, located on the premises of the seventh-largest building in the world by what?
Cotai Arena: The Cotai Arena is an indoor arena, located on the premises of The Venetian Macao, on the Cotai Strip, in Macau, China. The Venetian Macao: The Venetian Macao () is a luxury hotel and casino resort in Macau owned by the American Las Vegas Sands company. The Venetian Macao:  The 10500000 sqft Venetian Macao is modeled on its sister casino resort The Venetian Las Vegas, and is the seventh-largest building in the world by floor area.
floor area