The "Main Line" refers to a suburban region located just outside of Philadelphia, Pennsylvania. It is known for its affluent communities, historic homes, and prestigious schools. The area is characterized by its charming towns, such as Ardmore and Bryn Mawr, which are connected by the Paoli/Thorndale Line of the SEPTA rail system. Originally developed in the 19th century as a series of railroad stops, the Main Line has become a desirable place to live for families and professionals. It offers a mix of suburban tranquility and easy access to the urban amenities of Philadelphia, making it a popular choice for commuters.