Brunswick is the largest city in Medina County, Ohio, United States, approximately 20 miles (32 km) southwest of Cleveland. The population was 35,426 at the 2020 census. It is part of the Cleveland metropolitan area.

Medina County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 182,470. Its county seat is Medina, and its largest city is Brunswick.