ASEAN Community is a regional cooperation which has shaped economic, social, and political standpoints for the 10 member states in Southeast Asia, such as The Great Mekong Subregion Cooperation (GMS), Ayeyawady-Chaophraya-Makong Economic Cooperation Strategy (ACMECS) and East-West Economic Corridor (EWEC). The cooperation has challenged of ASEAN since 1957 when ASEAN was established by Bangkok Declaration. The role of local governments in local development is a critical question in the context of the ASEAN integration. Decentralization offers local government, the private sector and local communities the opportunity to work together in new ways to engage the local economy with regional and international level. There are two questions for the ASEAN roadmap and local politics, including local society and administrative organization.