There's no harm in remembering "Japan's three major ○○"

For example, the three scenic views of Japan.
MatsushimaAmanohashidateItsukushima
Select a prefecture on the map of Japan to see where it is located.
Enjoy it like a puzzle,
Before I knew it, I was learning about the location of prefectures.

As a bonus feature,
Quiz to guess the prefecture based on the prefectural capital and former country name
Quiz to choose a prefecture with "mountain", "river", or "island" in the prefecture name
Also equipped with

Reviewed by Appliv. (June 21, 2023)
⇒『[You can understand it now! ] “Japan’s Three Great Map Puzzles” - Appliv”

The developer of this app has been certified by an Android official developer as a developer of safe and secure apps. https://androider.jp/developer/0a50a204c37aa8cb09436a5950c05821/