Definition of arcadias:
(n) :
(figurative) An ideal region of rural and idyllic contentment; a pastoral utopia.
(n) :
A regional unit of Greece in the central and southeastern Peloponnese. Tripoli is the capital and main city with a population over 47,000.
(n) :
A mountainous region of Ancient Greece, named for Greek mythological hero Arcas; legendary home of the rustic god of nature, Pan.
(n) :
A number of places in the United States:
(n) :
A neighbourhood of Phoenix and Scottsdale, Maricopa County, Arizona.
(n) :
A city in Los Angeles County, California.