The G1 Climax is held in Japan.
G1 Climax . The G1 ( Grade One ) Climax is a professional wrestling tournament held each August by the New Japan Pro-Wrestling promotion . , operating as and sometimes referred to as NJPW or simply New Japan , is a major Japanese puroresu or professional wrestling promotion founded in January 1972 by Antonio Inoki . NJPW 's biggest event is the January 4 Tokyo Dome Show , held each year since 1992 and currently promoted under the Wrestle Kingdom banner .