Girard is a city in southern Trumbull County, Ohio, United States, along the Mahoning River. The population was 9,603 at the 2020 census. Located directly north of Youngstown, it is a suburb of the Youngstown–Warren metropolitan area.

Trumbull County is a county in the far northeast portion of the U.S. state of Ohio. As of the 2020 census, the population was 201,977. Its county seat and largest city is Warren, which developed industry along the Mahoning River. Trumbull County is part of the Youngstown–Warren, OH Metropolitan Statistical Area.