The association of Southeast Asian nations, ASEAN was founded on 8 August 2510 (AD1967) at Bangkok's regional cooperation organization, with the objective to promote the cooperation and political stability. Trade and economic growth and social development of Member States.Originally consisting of 5 ASEAN countries are Indonesia, Malaysia, Philippines, Singapore and Thailand, later the Cold War era. ASEAN has tried to build relationships and cooperation with other countries in the region.10 countries of South East Asia. Start with a member of Brunei in B.Professor 2527 (AD 1984) later, Vietnam membership in the 2538 (AD 1995), Laos and Myanmar in the 2540 (AD 1997) and Cambodia Year 2542 (AD 1999).