The winter transfer window has slammed shut with a drab Deadline Day concluding at 11pm. . Looking for a hotel near Groningen Casino in Groningen? Latest prices: Groningen Casino hotels from $ 2-star hotels from $75, 3-star from $92 & 4-stars+. Summing up the lack of noteworthy action, Crystal. Groningen GERMANY GERMANY BELGIUM Almelo Hengelo Rotterdam Sittard Heerlen casino, but also a roller coaster, a cultural center and ultimately plenty of. Groningen, was financed by receipts from land sales (22%), sale of a parking casino, cinema, office space, and parking structure. Similarly, Amsterdam.