See also Amman and Philadelphia (Lydia) on Wikipedia; Philadelphia in the 9th Edition; and our 1911 Encyclopædia Britannica disclaimer.
PHILADELPHIA, the Greek name (1) of a city in Palestine in the land of Ammon (see Ammonites), and (2) of a city so-called in honour of Attalus II. of Pergamum, the modern Ala-Shehr (q.v.)