Each of the 19 hotels has been allocated delegations from different countries and organisations. They are:
• Sukhothai Bangkok: Australia
• Siam Kempinski Hotel: Canada
• Sheraton Grand Sukhumvit: Chile and Papua New Guinea
• Mandarin Oriental: China
• Sindhorn Kempinski Hotel: Hong Kong, Cambodia, World Trade Organisation and Pacific Economic Cooperation Council
• Kimpton Maa-Lai Bangkok: Indonesia
• Shangri-La Bangkok: South Korea, Russia and International Monetary Fund
• The Conrad Bangkok: Japan
• Waldorf Astoria Bangkok: Malaysia
• Grand Hyatt Erawan: Brunei
• Banyan Tree Bangkok: Mexico
• The Rosewood Bangkok: New Zealand
• The Okura Prestige Bangkok: Peru
• Marriott Marquis Queen's Park Hotel: The Philippines
• Park Hyatt Bangkok: Singapore
• Anantara Siam Bangkok: The United States
• The Athenee Hotel: Vietnam and Taiwan
• The SO/ Bangkok Hotel: France
• St Regis Bangkok: Saudi Arabia.