Judo, a martial art that emphasizes throws and grappling techniques, was developed in Japan in the late 19th century and has become a popular sport around the world.

Nagoya is Japan's fourth-largest city and a major industrial center, with a population of over 9 million people in the greater Nagoya area.

Japanese athletes have competed in a wide variety of sports at the Olympics, including judo, gymnastics, swimming, and athletics.