Learn who owns Rio Casino and more about this popular Las Vegas resort.
**Who Owns Rio Casino?** The Rio All-Suite Hotel & Casino is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada. It is owned and operated by Caesars Entertainment Corporation. **History** The Rio was originally built by Merv Griffin in 1971 as the MGM Grand Las Vegas. It was the largest hotel in the world at the time of its opening, with 2,562 rooms. The casino was originally owned by MGM Resorts International, but was sold to Harrah's Entertainment in 2005. In 2008, Harrah's Entertainment was acquired by Caesars Entertainment Corporation. **Renovations** The Rio has undergone several renovations over the years. In 1997, the hotel was expanded to include a 3,500-seat theater. In 2001, the casino was expanded to include a new gaming floor and a new pool complex. In 2008, the hotel was renovated again, and the casino was expanded to include a new poker room.…