PRPA meaning in Regional ?

The Port of Philadelphia is located on the Delaware River in Philadelphia in the U.S. state of Pennsylvania.

Generally the term applies to the publicly owned marine terminals located within Philadelphia city limits along west bank of the river. These terminals are managed by the Philadelphia Regional Port Authority, PhilaPort, an agency of the Commonwealth of Pennsylvania. The term is sometimes used for Delaware River port complex to collectively refer to the ports and energy facilities along the river in the tri-state PA-NJ-DE Delaware Valley region. They include the Port of Salem, the Port of Wilmington, the Port of Chester, the Port of Paulsboro, the Port of Philadelphia and the Port of Camden. Combined they create one of the largest shipping areas of the United States. In 2016, 2,427 ships arrived at Delaware River port facilities: Fruit ships were counted at 577, petroleum at 474, and containerized cargo at 431.