WinStar World Casino and Resort is a hotel and casino located near the Oklahoma–Texas state line, 1 mile north of the Red River, at Exit 1 off Interstate 35 and Winstar Boulevard in Thackerville, Oklahoma. The casino opened as the WinStar Casino in 2004, and was expanded (with a 395-room hotel tower) and renamed the WinStar World Casino in 2009, with its 519,000 square feet of casino floor making it the largest casino in the state of Oklahoma.