The answer to this question is a bit difficult to find, as there are so many casinos in the UK. The largest is the MGM Grand in Las Vegas. The MGM group owns 10 casinos in Las Vegas, including the Luxor in London. In the UK, the largest casino is the Casimba Casino, which has over 1600 games available. This makes it the largest online casino NonGamstopCasinos.net. Genting Casino The Genting...