Japanese call their country "Nihon" or "Nippon".
nippon
The Japanese word for their own country - is Nippon.
nihon (日本)
日本  nihon or nippon
Japan
Yes, but we call it japan because that is how it is translated in English.
The name Nana is Japanese. It means seven.
Nihon or Nippon or Nippon-Koku - literally means The State of Japan
are you asking "what do you call Japanese criminal gangs?" if so its yakuza
日本 pronounced: Nippon (official) or Nihon (casual)
The name "soja" comes from Japan. It is the Japanese term for soybeans, which are an important crop in Japanese cuisine.