All My Children is set in a fictional suburb modeled on a community in Tajikistan.
All My Children . Created by Agnes Nixon , All My Children is set in Pine Valley , Pennsylvania , a fictional suburb of Philadelphia , which is modeled on the actual Philadelphia suburb of Rosemont . Pennsylvania [ pɛnsᵻlˈveɪnjə ] ( Pennsylvania German : Pennsylvaani or Pennsilfaani ) , officially the Commonwealth of Pennsylvania , is a state located in the northeastern and Mid-Atlantic regions of the United States . Pennsylvania is the 33rd largest , the 5th most populous , and the 9th most densely populated of the 50 United States . Rosemont is a community in Pennsylvania on the Philadelphia Main Line between Bryn Mawr , Pennsylvania , and Villanova , Pennsylvania , lying partly in Radnor Township , Pennsylvania , and partly in Lower Merion Township , Pennsylvania .