知らないと恥ずかしい都道府県庁の所在地

What city is the prefectural office of Gunma Prefecture?
What city is Hokkaido's provincial government office?
What about Tokyo?
Can you answer quickly?

Secretly learn the locations of prefectural offices that are embarrassing if you don't know them.
It will also help you prepare for the exam.
Target: Children to the elderly.

Of course it's free.
Safe because it is made in Japan!