I've heard of the Shinano River and the Chikugo River, but I don't know where they are.
What prefecture is Chikuzen boiled in now?
Where is Kazusa in Kazusasuke, who Oda Nobunaga called himself?

If you know the old country name, you'll know everything!
Learn the old country names with this app and enjoy the geography, history and culture of Japan!


[Explanation function]
I can't remember just looking at the map...
Such people will be more likely to remember if they learn it together with related knowledge.
By looking at the commentary, you can learn about the country's specialties and people with whom you have a connection.

[Regional designation mode]
If there are too many and you don't know where to start, it is recommended to learn from around the local area in the designated area mode.

[Review mode]
You can review the countries you made a mistake in the quiz. First of all, let's reduce the countries with low retention.

[Skill test mode]
It is a mode to test your ability.
At beginner difficulty, you can answer the quiz while looking at the hints.
Let's aim to clear the beginner level first.
There is a limit to the number of times hints can be displayed at the intermediate level.
In addition, since the number of choices increases, it is a more crunchy mode.
There are no advanced hints.
If you make a mistake even once, you will be out immediately.
Recommended for those who want to measure true ability.