The Clustania Slave District スレイヴ街区, sureivu-gaiku?, lit. "Slave Block"), commonly shortened to Slave District スレイヴ, sureivu?, lit. "Slave"), is the area of Clustania especially made for the rebel humans and Reyvateils that were captured by the Clustanians. This place, like the Clustania Residential District, was carefully planned and constructed in function of its inhabitants, with the large difference that while the Residential District was made in order to ensure comfort and a nice life to its inhabitants, the Slave District was designed in a way more similar to a concentration camp, given that the people that live within it have only the bare minimum resources to keep themselves alive, and are pretty much treated like war prisoners. Whenever someone is sent to this place, they most lik