Philadelphia is the largest city in the Commonwealth of Pennsylvania and the fifth-most-populous in the United States, with an estimated population in 2014 of 1,560,297. In the Northeastern United States, at the confluence of the Delaware and Schuylkill River, Philadelphia is the economic and cultural anchor of the Delaware Valley, a metropolitan area home to 7.2 million people and the eighth-largest combined statistical area in the United States.

Alasehir , in Antiquity and the Middle Ages known as Philadelphia (, i.e., "city of brotherly love") is a town and district of Manisa Province in the Aegean region of Turkey. It is situated in the valley of the Kuzuçay (Cogamus in antiquity), at the foot of the Bozdag Mountain (Mount Tmolus in antiquity). The town is connected to Izmir by a railway. The longtime mayor is Gökhan Karaçoban.