The Association of East Asian Nations under the (Association of Southeast Asian Nations or ASEAN) established by the Bangkok Declaration (Bangkok Declaration) or the ASEAN Declaration. (ASEAN Declaration) when there are 5 members by August 8 2510 country Indonesia, the Philippines, Singapore and Malaysia consist of Thailand.
In order to promote cooperation in the political, The country's economic and social development in Southeast Asia, there are additional countries later, including Brunei, Viet Nam da-Salaam fi Laos Myanmar and Cambodia respectively, thus making the current ASEAN. There are 10 member countries.