Philadelphia - one of the oldest cities in the United States, the fifth largest populated city in the country and most populous city in the state of Pennsylvania, with a population of 1.5 million inhabitants. Located on the Delaware River, on the coast of the Atlantic Ocean. Philadelphia - one of the largest industrial, financial and cultural centers of the United States. Main Street Manayunk is on of the main shopping streets of Philadelphia with shops, cafes and restaurants. The largest shopping center of the city and the entire state - King of Prussia Mall with anchors Macy's and Bloomingdale's - is also a leader in the US market in terms of leasable area.