- Geographical location: Eastern Asia.
- National anthem: Kimigayo.
- Climate: Temperate, subtropical and tropical to the south.
- Capital: Tokyo.
- Language: Japanese.
- Government: Constitutional monarchy.
- Currency: Japanese yen.
Japan is the home country of Nico Nico Douga, and therefore it is also the birthplace of Gachimuchi, which is a popular meme in that website. The misinterpretations of the dialogue of the actors in the original videos contributed to their popularity.
Due to his fame among Nico Nico Douga users, Billy Herrington sometimes visits Japan and some nearby countries to meet with his fans.
Japan is also the most likely home of the fictional city of Shinnippori.
- Japan also has its own forms of fighting sports, known as martial arts. Other than sumo wrestling, it also has aikido, karate, and judo.