Answer
The G8 summit was held in Japan during Fukuda's tenure, specifically in the city of Toyako, Hokkaido, from July 7-9, 2008. The summit brought together leaders from eight major industrialized nations (Canada, France, Germany, Italy, Japan, Russia, the United Kingdom, and the United States) to discuss global economic, environmental, and security issues. Key topics addressed during the summit included climate change, energy security, and the global financial crisis.