Tredyffrin Township is a Chester County community along the Main Line and the Route 202 corridor. The township encompasses areas including parts of Berwyn, Paoli, and Chesterbrook, with established residential neighborhoods, office centers, parks, historic properties, and commercial areas.

Valley Forge National Historical Park borders the township and is one of the region’s most significant historic and recreational destinations. Routes 202 and 30 and the nearby Pennsylvania Turnpike provide access toward King of Prussia, West Chester, and Philadelphia. SEPTA Regional Rail stations in nearby Main Line communities provide additional transportation options.