ASEAN Member States

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
Department of Foreign Affairs of Indonesia Website: www.deplu.go.id  

Lao PDR

Head of State : President Choummaly Sayasone 
Head of Government : Prime Minister Bouasone Bouphavanh
Capital : Vientiane
Language : Lao
Currency : Kip
Ministry of Foreign Affairs of Lao PDR Website: www.mofa.gov.la

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 
Ministry of Foreign Affairs of Malaysia Website: www.kln.gov.my
ASEAN-Malaysia National Secretariat Website: www.kln.gov.my/myasean

Myanmar

Head of State : Senior General Than Shwe
Head of Government : Prime Minister General Thein Sein
Capital : Nay Pyi Taw
Language : Myanmar
Currency : Kyat 
Ministry of Foreign Affairs of Myanmar Website: www.mofa.gov.mm

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 S R Nathan
Head of Government : Prime Minister Lee Hsien Loong
Capital : Singapore
Language(s) : English, Malay, Mandarin, Tamil
Currency : S$ (Singapore Dollar)
Ministry of Foreign Affairs of Singapore Website: www.mfa.gov.sg

Thailand

Head of State : His Majesty King Bhumibol Adulyadej
Head of Government : Prime Minister Abhisit Vejjajiva
Capital : Bangkok
Language : Thai
Currency : Baht
Ministry of Foreign Affairs of Thailand Website: www.mfa.go.th

Viet Nam

Head of State : President Nguyen Minh Triet
Head of Government : Prime Minister Nguyen Tan Dung
Capital : Ha Noi
Language : Vietnamese
Currency : Dong
Ministry of Foreign Affairs of Viet Nam Website: www.mofa.gov.vn