Monroeville is a home rule municipality in Allegheny County, Pennsylvania, United States. It is a suburb with mixed residential and commercial developments located about 10 miles (16 km) east of Pittsburgh. As of the 2020 census, Monroeville was home to 28,640 people.

Wilmerding is a borough in Allegheny County, Pennsylvania, United States. The population was 1,781 at the 2020 census. It is located 12 miles (19 km) southeast of Pittsburgh. At the start of the twentieth century, it had extensive foundries and machine shops of the Westinghouse Air Brake Company. Wilmerding is adjacent to the borough of Turtle Creek, which takes its name from a small stream that flows past both places.