Cloud Country
The Cloud Country is the sky realm where Atmos and other airmen live.
First named in The Hungry Tiger of Oz, ch. 18
"They'll never believe this in the Cloud Country."
Where this is
placed Beyond the desert worked out
read out of the chapters cited on this page, not stated in any one sentence of them
Home realm of the airman Atmos, encountered while both parties are still trying to cross the Deadly Desert to reach Oz.