Matsuyama is the capital city of Ehime Prefecture, located on the island of Shikoku in Japan. It serves as the largest city within the Shikoku region.
As of October 1, 2022, the city had an estimated population of 494,100 residing in 243,541 households. The area covers a total of 429.35 square kilometres (165.77 sq mi), resulting in a population density of approximately 1,200 persons per km2.