. 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.