Grove City is a borough in southeastern Mercer County, Pennsylvania, United States, located approximately 60 miles (97 km) north of Pittsburgh and 75 miles (121 km) south of Erie. At the 2020 census, the population was 7,894. It is part of the Hermitage micropolitan area. It is the home of Grove City College, a private liberal arts college, as well as George Junior Republic. The nearby Grove City Premium Outlets take their name from Grove City.

Mercer County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 110,652. Its county seat is Mercer, and its largest city is Hermitage. The county is part of the Northwest Pennsylvania region of the state.