The Japan Open, a professional tennis tournament held annually in Tokyo, is one of the oldest and most prestigious tournaments in Asia.

Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.

The 16th century saw the rise of Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu, who were instrumental in unifying Japan under a centralized government.