Casino Atrium Hilton This hotel casino caters to hotel visitors plus expats and a few locals. The crowd is a bit more upscale than elsewhere in Prague and you’ll be able to spend hours playing roulette, poker, blackjack,... More Info | Ambassador Casino An elegant, but small casino located right on Wenceslas Square. Blackjack, poker, pontoon and roulette tables. Sometimes crowded, but open all night. More Info | Banco Casino This centrally located and elegant gaming room offers the usual blackjack, pontoon, roulette and slot machines, but the real attraction here is the pleasant staff and the regularly scheduled Texas Hold’em poker nights. More Info | |