Brunei Darussalam
Head of State : His Majesty Sultan Haji Hassanal Bolkiah Mu'izzaddin Waddaulah
Capital : Bandar Seri Begawan
Language(s) : Malay, English
Currency : B$ (Brunei Dollar)
Ministry of Foreign Affairs & Trade of Brunei Darussalam Website: www.mfa.gov.bn
Cambodia
Head of State : His Majesty King Norodom Sihamoni
Head of Government : Prime Minister Hun Sen
Capital : Phnom Penh
Language : Khmer
Currency : Riel
Ministry of Foreign Affairs & International Cooperation of Cambodia Website: www.mfaic.gov.kh
Indonesia
Head of State : President Susilo Bambang Yudhoyono
Capital : Jakarta
Language : Indonesian
Currency : Rupiah
Lao PDR
Head of State : President Choummaly Sayasone
Head of Government : Prime Minister Thongsing Thammavong
Capital : Vientiane
Language : Lao
Currency : Kip
Malaysia
Head of Government : The Honourable Dato' Sri Mohd Najib bin Tun Abdul Razak
Capital : Kuala Lumpur
Language(s) : Malay, English, Chinese, Tamil
Currency : Ringgit
Myanmar
Head of State : President Thein Sein
Capital : Nay Pyi Taw
Language : Myanmar
Currency : Kyat
Philippines
Head of State : President Benigno S. Aquino III
Capital : Manila
Language(s) : Filipino, English, Spanish
Currency : Peso
Department of Foreign Affairs of the Philippines Website: www.dfa.gov.ph
Singapore
Head of State : President Tony Tan Keng Yam
Head of Government : Prime Minister Lee Hsien Loong
Capital : Singapore
Language(s) : English, Malay, Mandarin, Tamil
Currency : S$ (Singapore Dollar)
Thailand
Head of State : His Majesty King Bhumibol Adulyadej
Head of Government : Prime Minister Yingluck Shinawatra
Capital : Bangkok
Language : Thai
Currency : Baht
Viet Nam
Head of State : President Nguyen Minh Triet
Head of Government : Prime Minister Nguyen Tan Dung
Capital : Ha Noi
Language : Vietnamese
Currency : Dong