Caesars Southern Indiana is a new $90-million land casino that replaced the former Horseshoe riverboat casino in December 2019. Find Harrah's hotels and casinos in Las Vegas, Atlantic City and more locations around the country. As you can see in the map below five of the six casinos are located close to Cincinnati, Ohio and Louisville Kentucky. The map below shows you the approximate locations of the Indiana and Illinois casino boats located on the Ohio River.