Kumamoto is the capital city of Kumamoto Prefecture on the island of Kyushu, Japan. As of June 1, 2019, the city has an estimated population of 738,907 and a population density of 1,893 people per km². The total area is 390.32 km².

Greater Kumamoto had a population of 1,461,000, as of the 2000 census. As of 2010, Kumamoto Metropolitan Employment Area has a GDP of US$39.8 billion. It is not considered part of the Fukuoka–Kitakyushu metropolitan area, despite their shared border. The city was designated on April 1, 2012, by government ordinance.