E-City

E-City (E市 E Shi) is a relatively small city situated on Earth. Nothing much is known about this city.

Ninjas Arc
The Internet Surfers appear in E-City and multiple heroes arrive to fight them, including Heavy Kong, Peach Terry and Bone. Saitama, Genos and Flashy Flash later arrive and the latter two kill the Internet Surfers.

Neo Heroes Uprising Arc
A group of animals at E-City Thrill Animal Park turn into monsters and begin rampaging. Heavy Tank Loincloth engages one of the monsters and later Drive Knight and Genos kill all of them.