Matsubara (松原市, Matsubara-shi) is a city located in Osaka Prefecture, Japan. As of 1 January 2022[update], the city had an estimated population of 117,811 in 57351 households and a population density of 7100 persons per km2.[1] The total area of the city is 16.66 square kilometres (6.43 sq mi). [2] Matsubara is located in the center of Osaka Prefecture. The city measures approximately 5.8 kilometers east–west by 5.1 kilometers north–south, and is mostly flatland. Osaka Prefecture