Aethopolis is a prominent polis, centralized-around the Aethopolis Arcology. Its government is a federal republic comprised of a senate (the legislature) and a president (the head of state). Its residential districts have varying degrees of autonomy and forms of state government. The polis' most densely populated city, capital and government district is the Aethopolis Arcology, which is surrounded by the industrial zone-turned Haven City and numerous villages and towns that fall under the polis' authority.