Proud for the 2nd year: Siam Kempinski Hotel Bangkok captures place in coveted TripAdvisor 2012 Travelers' Choice Award! Since its opening in 2010 the hotel continues with its mission of offering the highest standard of service and exceptional Kempinski experience to their guests. Once again in 2012, it has won TripAdvisor's Travelers' Choice Award in the category of Top 25 Luxury Hotels in Thailand. The Travelers' Choice Award is the highest honor a hotel can receive from the TripAdvisor community as the result is based on the reviews and opinions of millions of travelers from their genuine experiences with the properties.