Settsu is a city located in the Osaka Prefecture of Japan. It serves as a suburban city of Osaka City and forms part of the larger Kyoto-Osaka-Kobe metropolitan area.
As of October 1, 2022, the city had an estimated population of 87,143 residents living in 40,825 households. The total land area of Settsu is 76.49 square kilometres, resulting in a population density of approximately 5,700 persons per square kilometre.