REVELION - SINAIA Marea Neagra Hotel in Romania, Sinaia invites you on New Year's Eve to enjoy a unique night, exactly what you need to create only nice. Don't miss the excitement of our exclusive. . Party event by Cazino Sinaia and Extravaganza on Tuesday, December 31 We're thrilled to present the party to be a 3 nights of sparkle that promises to be nothing short of extraordinary.