Greece is a global society with diverse nationalities and languages. The Pan Arcadian Federation of America (PFA) continues to hold the beacon of Hellenism alive. The Arcadians have an inner drive to immigrate for economic advancement. They never forget their roots, striving to return to Arcadia. The first Arcadian societies were formed in urban center to aid new immigrants. In 1931, The Pan Arcadian Federation of America was formed to promote Hellenism among the first generation born to Arcadian immigrants. The "Geros Tou Morea" chapter, New York, was first chapter and dominant force in the PFA. Athanasios Angelopoulos, Nick Bakopoulos and Alexander Sioris were the founders.

The "Geros Tou Morea" chapter held socials, created journal books, held meetings, dinners and picnics as part of its network. Prominent persons have attended. Constantine Karamanlis, former Prime Minister and President of the Greek Democracy, attended a dinner at the Astor Hotel on August 17th, 1946. The Pan Arcadian Federation was the largest Greek-American organization after AHEPA in its first twenty-thirty years of existence. The Pan Arcadian Federation of America realized the necessity of forming a hospital in Arcadia, Greece. The building of the Pan Arcadian Hospital in Tripolis began in the spring of 1947. The Hospital was completed in May 1950. The building project cost was about 3 and a half million dollars with two hundred and fifty-six beds. It was considered to be the foremost and largest hospital of the Balkans in this time period. The Pan Arcadian Hospital has rendered medical care to all for six decades.