Six Flags Entertainment Corporation owns and operates regional theme, water, and zoological parks. The company's parks offer various state-of-the-art and traditional thrill rides, water attractions, themed areas, concerts and shows, restaurants, game venues, and retail outlets. It owns and operates approximately 18 parks, including 16 parks in the United States; 1 park in Mexico City, Mexico; and 1 park in Montreal, Canada. The company was formerly known as Six Flags, Inc. and changed its name to Six Flags Entertainment Corporation in April 2010. Six Flags Entertainment Corporation was founded in 1971 and is based in Grand Prairie, Texas.