Arcadia is one of the regional units of Greece. It is part of the administrative region of Peloponnese. It is in the central and eastern part of the Peloponnese peninsula. It takes its name from the mythological figure Arcas. In Greek mythology, it was the home of the god Pan. In European Renaissance arts, Arcadia was celebrated as an unspoiled, harmonious wilderness.

Mainalo is the tallest mountain in the Menalon highlands of the Peloponnese, and is located in Arcadia, Greece. In antiquity, the mountain was especially sacred to Pan.