What is Arborea? Heard the name before but thats it…
The Olympian Glades of Arborea (i.e. the pure CG plane).
Home of the Ancient Greek pantheon (as one might expect) and the Elven pantheon, among others, as well as the old celestial version of the eladrin, back before the Feywild gobbled them up in 4e.
Read more at this site