A floating island, mostly forested with several lakes (and a few craters).
The archetecture and vehicles seem to be from mid 20th century Europe. Yuruhas' technology includes antigravity platforms and various forms of magic. They are able to produce goloms, some of them two or three stories high, animated presumably by some kind of magic. The goloms are called ningyo, literally "dolls".
The government is controled by the council of six, which is itself controled by Rumizabia, a multidimentional being whose main body is confined to a large liquid filled room in the capitol building.