Osaka is Japan's third-largest city and a major commercial and industrial hub, with a population of over 19 million people in the greater Osaka area.
The 16th century saw the rise of Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu, who were instrumental in unifying Japan under a centralized government.
The Shiretoko National Park in Hokkaido is a UNESCO World Heritage Site and a popular destination for wildlife watching, with opportunities to see brown bears and rare bird species.