Board Thread:Speculation House/@comment-3257939-20151009080148/@comment-24891101-20151011012444

It's a planet. Remnant is therefore planet-sized. The nations are spread across diverse continents.

More seriously, there's no reason for it to be aloft at all times, not as pointed out, any explanation for it to be able to. Too many maintenence hours required to make sure it's safe. Probably spends two years in each kingdom, though on which side of the tournament itself is questionable.