Human World (人間界, lit. Ningenkai) is the world where humans live. It is also where the story of YuYu Hakusho first begins & where most of the events ocur. Inhabitants include: Yusuke Urameshi, Atsuko Urameshi, Keiko Yukimura, Takenaka, Kazuma Kuwabara, Shizuru Kuwabara , Shuichi Minamino, Shiori Minamino, Genkai etc.
Sarayashiki Jr. High: The school which Keiko, Kuwabara and Yusuke attend. Kazanegafuchi Jr. High (Kazenaga in the English dub): Rival school of Sarayashiki Jr. High Rugafuji Jr. High: The school of the thugs who kidnapped Kuwabara's kitten. Iwamano Jr. High: The middle school that Yusuke's old friend Suekichi attends. Kaidan (translates to "ghost story"): The name of the shopping center and neighborhood where Yusuke and Keiko live. Mushiyori City (translates to "outbreak of bugs"): City that is the epicenter of the Demon World tunnel's creation. Demon's Door Cave: A large series of natural caverns located on the outskirts of Mushiyori City. A dank cave rife with urban legends and rumors of being a popular suicide point, Demon's Door is the true epicenter of the Demon World Tunnel outbreak, its features and labyrinthine layout burrowing below Mushiyori. Hanging Neck Island: Location where the Dark Tournament takes place. Hotel Kubikukuri: The luxurious facility for Dark Tournament participants which is also frequented by numerous high-paying human guests. Yojigen (translates to "4 dimensions"): The name of the mansion where Kido, Yana, and Kaitou take Yusuke and challenge his friends with various tasks to get him back. Yurei Manor (translates to "Courtesy Manor" with Yurei also meaning ghost): Where Yusuke originally lived at the beginning of the series. Genkai's Temple: Genkai's residence and dojo & the site of the Disciple Selection Trials, located on her expansive land.