Aztar Corporation was a hospitality company based in Phoenix, Arizona, focused on resort hotels and casinos.

On March 5, 2002 Aztar acquired full ownership of the 34-acre (140,000 m2) Tropicana location in Las Vegas by purchasing the 50% share held by Chicago's Jaffe family.

During 2005, the company acquired a site in Allentown, Pennsylvania with the intention of securing a gaming license and then developing a casino.

Aztar management determined on May 1 that the latest bid was preferred over Pinnacle's late increase to $48 a share, in cash and stock.

Additionally, Colony apparently lost interest, having failed to increase its bid beyond $41 a share and making no public comment for several weeks.