Question: Asia Cosmopolitan Awards is an international award established by Economic Research Institute for ASEAN and East Asia (ERIA) in the context of commemoration of the 1300-year anniversary in 2010 of Heijo-kyo, (ancient capital of Japan located in present-day Nara), Japan is a sovereign island nation, in which eastern subregion of the Asian continent?
Sentence (from "East Asia Economic Caucus"): The East Asia Economic Caucus (EAEC) or East Asia Economic Group (EAEG) was a regional free trade zone (FTA) proposed in 1997 by former Malaysian Prime Minister Dr. Mahathir bin Mohamad and encompasses the Association of Southeast Asian Nations (ASEAN) member states, China, Japan, and the Republic of Korea.
Relevant evidence: No