Suita is a city located in Osaka Prefecture, Japan. As of 31 March 2023, the city had an estimated population of 381,238 in 182,636 households, and a population density of 11,000 persons per km2. The total area of the city is 36.09 square kilometres (13.93 sq mi). It is a suburb of Osaka City and a part of the Kyoto–Osaka–Kobe metropolitan area.