What are the 10 countries in the ASEAN? The Association of Southeast Asian Nations, commonly as ASEAN, is a political and economic union of 10 states in Southeast Asia, including Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand, and. What are the 10 countries in the ASEAN? The Association of Southeast Asian Nations, commonly as ASEAN, is a political and economic union of 10 states in Southeast Asia, including Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand, and. © 2026 ASEAN Secretariat. Philippines is the Chair of ASEAN for 2026. ASEAN Prize is a regional premier award to recognize the inspiring achievements of ASEAN citizens or ASEAN-based organizations with significant contribution toward ASEAN community-building efforts. To implement the vision, ASEAN strives to maintain peace. ASEAN (Association of Southeast Asian Nations) has 10 member states. ASEAN was founded on 8 August 1967 with five member states: Indonesia, Malaysia, the Philippines, Singapore, and Thailand. It is headquartered in Jakarta, Indonesia. ASEAN operates on the principle of consensus and respecting national sovereignty, meaning that ASEAN as a whole cannot force another member state to change its domestic. The Association of Southeast Asian Nations is a regional intergovernmental organisation comprising ten Southeast Asian states which promotes Pan-Asianism and intergovernmental cooperation and facilitates economic, political, security, military, educational and socio-cultural integration amongst its.