Question: The AXIS is located in a casino that is owned and operated by who?
Context: The Diamond Jo Casino is a gambling casino and entertainment complex located in the Port of Dubuque, in Dubuque, Iowa.  The casino is owned and operated by Las Vegas-based Boyd Gaming, which also owns the Diamond Jo Casino - Worth in Northwood, Iowa.  It is a member of the Iowa Gaming Association, and its license is held by the Dubuque Racing Association, which operates Q Casino.  Beginning operations on May 18, 1994, the Diamond Jo was a 3-level, 305 ft , 1,500-passenger vessel in Dubuque's Ice Harbor.  The boat was a dockside that did not cruise, the casino became land-based when its new facility opened December 11, 2008. Resorts Casino Tunica, formerly Southern Belle Casino and Harrah's Tunica Mardi Gras Casino, is a 201-room hotel and a 35000 sqft casino located in Tunica Resorts, Mississippi.  It is one of three casinos located in the "Casino Strip" area, along with Sam's Town and Hollywood Casino.  Resorts is owned by Gaming & Leisure Properties and operated by Penn National Gaming. Odawa Casino Resort is a Northern Michigan casino resort.  Located in Resort Township near Petoskey, Michigan, the casino opened for business on June 20, 2007.  It is owned and operated by the Little Traverse Bay Bands of Odawa Indians.  The resort replaced Victories Casino in 2007, which had served as the tribe's casino until the new resort was opened.  In addition to gaming, Odawa Casino Resort features multiple restaurants and retail outlets, a concert venue (Ovation Hall), a nightclub (The O Zone Nightclub), and a circular lounge bar in the middle of the gaming floor (Rendezvous).  The resort also includes a AAA Diamond rated Hotel.  Full shuttle transportation is available to all resort guests.  Odawa Casino Resort is open to guests of all ages, however, the casino's gaming floor and the O Zone Nightclub are restricted to those of age 21 and older.  Starting in 2011, the minimum gaming age at Odawa Casino Resort has been approved to be lowered to 19 years old. Riverwind Casino is a casino located in Norman, Oklahoma that opened in 2006.  The 219000 sqft casino, owned and operated by the Chickasaw Nation is one of the largest in the state.  In addition to the casino floor, the facility also has two restaurants, a lounge, a food court, several bars, valet parking and a 1500-seat theatre that hosts concerts.  Riverwind also opened a 100-room adjoining hotel in February 2009.  The casino is located in at the Interstate 35/State Highway 9 west junction. Planet Hollywood Las Vegas (formerly Tally-Ho, King's Crown and Aladdin) is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada.  It is owned and operated by Caesars Entertainment Corporation. Gold Mountain Casino is a Native American casino in Ardmore, Oklahoma, owned and operated by the Chickasaw Nation.  Originally opened in 2002 as Ardmore Gaming, the facility has grown steadily and today features more than 300 gaming machines.  The casino is open 24 hours a day, seven days a week.  The 8620 sqft casino is located on the corner of P Street N.E. and Sam Noble Parkway, and can be accessed via Interstate 35, exit 33.  It is a short distance from the Ardmore Convention Center and the Hardy Murphy Coliseum.  Gold Mountain is about 34 miles north of WinStar World Casino in Thackerville, Oklahoma, and 77 miles south of Riverwind Casino in Norman, Oklahoma, which are also Chickasaw-owned gaming facilities. Q Casino (formerly Mystique and Dubuque Greyhound Park & Casino) is a combination greyhound race track and casino (racino) located in Dubuque, Iowa.  The casino is owned by the City of Dubuque, and operated by the non-profit Dubuque Racing Association, its license holder.  It is a member of the Iowa Gaming Association, and shares a gaming license with the Diamond Jo Casino, also in Dubuque.  Beginning operations on June 1, 1985, the track became a full-service casino following the introduction of table games in 2005. Chisholm Trail Casino is a casino that opened in Duncan, Oklahoma in October, 2004.  The 22,000 sqft casino is owned and operated by the Chickasaw Nation and is open 24 hours daily.  Located along the site of the historic Chisholm Trail cattle drive, the casino is five miles north of downtown Duncan on Highway 81, south of Highway 7.  Chisholm Trail is owned and operated by the Chickasaw Nation.  The casino is 70 miles south of Norman, Oklahoma, and the Nation’s sister gaming facility, Riverwind Casino.  Chisholm Trail is 100 miles northwest of WinStar World Casino, another Chickasaw Nation gaming center, located in Thackerville, Oklahoma. The Gold Coast Hotel & Casino is a hotel and casino located in Paradise, Nevada.  This locals' casino is owned and operated by Boyd Gaming.  The Gold Coast is located one mile (1.6 km) west of the Las Vegas Strip on West Flamingo Road.  It is located across the street from the Palms Casino Resort and the Rio All Suite Hotel and Casino. The AXIS (known as The AXIS powered by Monster for sponsorship purposes, also referred to as the AXIS Theater) is a mid-sized auditorium located at Planet Hollywood Las Vegas on the Las Vegas Strip.  The venue hosts a variety of events from charity benefits, concerts and award shows.  It is used frequently for the beauty pageants : Miss Universe, Miss America and Miss USA.  Since 2007, the auditorium has been the home to Justin Timberlake's annual concert to benefit the Shriners Hospitals for Children.  In 2011, it was voted as one of the "Best Concert Halls & Theaters In Las Vegas".  It is the largest theatre of its kind in the United States.
Answer: Caesars Entertainment Corporation