District Ailer

District Ailer is an island located within The Capitol precinct of Cantersfield that serves as location of the Natioinal Headquarters Complex for Canter Aperture Industries. It contains the tallest buildings in the city, including The Spire.

It is considered a separate city state from the rest of Cantersfield, and has its own independent underground utility system that doesn't connect to the rest of the city, as well as its own advanced defense system. It also contains Cantersfield Metropolitan Station, a major point of entry for the city of Cantersfield and Armonia.