Can you pick the Japanese prefectures in the Chubu Region?
Chūbu is the middle region of Honshu, comprising the major urban area around Nagoya as well as the "Japanese Alps" that divides the Pacific south from the Sea of Japan parts in the north. It has a population of around 22 million inhabitants as of October 2010. There are 9 prefectures in the Chūbu region.
Read more about this region here: https://en.wikipedia.org/wiki/Chūbu_region
The game ends when you get all 9 questions correct, or when you give up ;)