The phrase Genbukan World Ninpo Bugei Federation, its abbreviation GWNBF and Genbukan are interchangeable however only Honbu Dojo may refer to itself as Ninpo Bugei Dojo, Genbukan (忍法武芸道場 、 玄武館).
The phrase Genbukan World Ninpo Bugei Federation, its abbreviation GWNBF and Genbukan are interchangeable. However only Honbu Dojo may refer to itself as Ninpo Bugei Dojo, Genbukan (忍法武芸道場 、 玄武館).