- Manga City is a fictional city that exists within various manga series. It can refer to different cities within different manga stories, each with its own unique setting and characteristics. Manga City is often portrayed as a bustling metropolis filled with colorful characters, high-rise buildings, and various cultural landmarks. It serves as a backdrop for the adventures and stories that unfold within the manga series it is featured in. Some popular manga series that take place in Manga City include "One Piece," "Naruto," and "Bleach."