The rise of Asia as an economic powerhouse is shaping the world order. Economic Regionalism in Asia has aroused international attention among policy makers and Asian observers. This module addresses the foundational and theoretical principles, political leadership, and decision making processes of contemporary Asian economic regionalism. Then, it looks into the relationship between Asian economic integration and contemporary Asian national politics. Finally, it discusses and evaluates the leading regional economic cooperation mechanisms: Asia’s Free Trade Agreements (FTAs), Asian Development Bank, ASEAN, ASEAN Plus Mechanisms, South Asian Association for Regional Cooperation (SAARC) and Asian Financial Architecture, etc.