The document provides an overview of the Association of South East Asian Nations (ASEAN). It discusses ASEAN's history, formation in 1967 with 5 original member countries, aims and purposes including economic and political cooperation. It outlines ASEAN's fundamental principles of mutual respect and non-interference. It also describes ASEAN's structure, environmental cooperation, integration with other Asian countries through ASEAN Plus Three, efforts towards establishing a free trade area, and guiding principles of the ASEAN Way. Key meetings like the annual ASEAN Summit are also mentioned.