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?
{'answer': 'East Asia', 'supporting_facts': [['Asia Cosmopolitan Awards', 0], ['Japan', 0]]}