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The Z-City Ghost Town (Z市ゴーストタウン, Zeddo Shi Gōsuto Taun) is a large uninhabited neighborhood located on the east side of Z-City.


When cases of high-level monsters appearing in the neighborhood increased all of a sudden in the last few years, all citizens supposedly moved in masses to the center. As a result, the whole neighborhood was deserted and it's now a ghost town, but with the critical infrastructure like electricity and water supply intact.[1]

Among the normal citizens of Earth, it's just supposed to simply be some abandoned ruins on the outskirts of Z-City.[1]


Saitama's ApartmentEdit

Saitama's Apartment (サイタマのアパート, Saitama no apāto) was the primary residence of Saitama and Genos. The apartment was also a meeting spot for the Saitama Group. During the raid on the Monster Association, the apartment is destroyed by Tatsumaki when she rips the base out of the ground.[2]

Monster Association HeadquartersEdit

The Monster Association Headquarters is a vast maze of various underground rooms, tunnels, and caves. It is currently home to the Monster Association after they forcibly took it from its previous inhabitants, the Subterranean People, slaughtering them all in the process.


Name Status
Saitama Active
Genos Active
Monster Association Active
Subterranean People Extinct


  1. 1.0 1.1 One-Punch Man Manga; Chapter 20, page 2
  2. One-Punch Man Manga; Chapter 130, page 11-13


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