Philadelphia
This region includes Germantown, Chestnut Hill, Roxborough and Manayunk. Germantown is an important historical neighborhood with the Colonial Germantown Historic District. It is the birthplace of the American antislavery movement and was an important site during the American Revolution. There are several colonial homes and battle re-enactments. The Wissahickon Valley Park is here. Other sites are the Morris Arboretum of the University of Pennsylvania, Woodmere Art Museum and Awbury Arboretum. In 2010, the population was about 170,000.