Japan, one of the Asian countries, is known as Nippon in its own language.
Nippon is the name used for Japan in their own languages. It is also the ancient name of Japan. Japan as a country name was used by British first in 1577.
Apart from us and living outside Japan, Japans call Nippon or Nihon for their country. Japan, as a name of country, was used first in 16. century.