This article is about the factory cities mentioned in the Attack on Titan Guidebook. For the Industrial City depicted in the Attack on Titan: Before the Fall novel series and manga, see Industrial City.
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The Factory city (工業場市 Kōjō Toshi?) are hubs of industry within the Walls. They are producers of weapons for the Military incorporating materials such as Ultrahard Steel, Iron Bamboo and Iceburst Stone.
- Main article: Industrial City