The Federal Reserve Bank of Philadelphia — also known as the Philadelphia Fed or the Philly Fed — headquartered at 10 Independence Mall in Philadelphia, Pennsylvania, is responsible for the Third District of the Federal Reserve, which covers eastern and central Pennsylvania, the nine southern counties of New Jersey, and Delaware. Its geographical territory is by far the smallest in the system, and its population base is the second-smallest. The current President of the Philadelphia Fed is Patrick T. Harker.