Mosaic City, located along China's coast, is quite large city sometimes called the Crossroads Between Nations due to its diverse population. While it was once a large tourist spot, the city was placed under a blockade as the military appeared claiming there was a radiation leak. The true hazard, however, is much more sinister.
Anrui wasn't always like this. Once, it was peaceful... then, the ROT scare began. Now contact with Pokemon is illegal unless you're part of Plasma; the region is locked in a brutal war between two factions, each with their own vision for a better tomorrow.
It's been more than a decade, and the island has rotted.