Osaka International Convention Center, also known as Grand Cube Osaka, is a convention center in the city of Osaka, Osaka, Japan.Located adjacent to the convention center is underground Nakanoshima Station served by Keihan Electric Railway Nakanoshima Line as the terminus.Past events2001 World Tourism Organization Congress2004 Rotary International World Convention34th G8 summit Finance minister conventionJapanese High School Baseball Championship Draw (2009)26th International Conference on Computational Linguistics (2016)