. Spielhalle Las Vegas Radeberg Not yet rated (1 Review). Merkur Casino is in Madrid, Madrid, Comunidad de, Spain and is open daily 10amam. Casino. SlotClub Spielothek. 6 likes · 2 talking about this. Spielhalle Las Vegas Radeberg, Radeberg. In our review, we've considered the casino's player complaints, estimated revenues, license, games genuineness, customer support quality,.