Up Town
Up Town is the destination reached by subway from Down Town, on the way back toward Oz.
First named in The Hungry Tiger of Oz, ch. 9
"Take the subway here for Up Town," said a sign.
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
A satirical fairy kingdom (Down Town/Up Town, ruled by money-people) encountered while Betsy Bobbin's party is still travelling toward the Emerald City, not yet in Oz.