There are several locations in Project SEKAI. In the locations in the real world, characters converse with one another. Additionally, players can buy songs, alternate vocals, costumes, stamps at various shops. Players can also upgrade their plants at shops located at the high schools. In the locations in SEKAI, characters are seen talking to virtual singers of that sekai. Players can upgrade area items for characters and units in these sekais.
Real world
Theme Park
Kamiyama High School
Kamiyama High School is a mixed gender high school that several characters attend.
Shopping Mall
The Shopping Mall is a place that contains the Costume Shop and the Stamp Shop, where costumes and stamps can be purchased, respectively.
Scramble Crossing
Main Street
Music Shop
The Music Shop is a place that contains the Music Shop (shop) and the Vocal Shop, where new songs and alternate vocals can be purchased, respectively.
Miyamasuzaka Girls Academy
The Miyamasuzaka Girls Academy is an all-girls high school that several characters attend.
SEKAI
Classroom Sekai
The Classroom Sekai is Leo/need's sekai. Members of Leo/need and Leo/need's virtual singers can be found here.
Stage Sekai
The Stage Sekai is MORE MORE JUMP!'s sekai. Members of MORE MORE JUMP! and MORE MORE JUMP!'s virtual singers can be found here.
Street Sekai
The Street Sekai is Vivid BAD SQUAD's sekai. Members of Vivid BAD SQUAD and Vivid BAD SQUAD's virtual singers can be found here.
Wonderland Sekai
The Wonderland Sekai is Wonderlands×Showtime's sekai. Members of Wonderlands×Showtime and Wonderlands×Showtime's virtual singers can be found here.
Uninhabited Sekai
The Uninhabited Sekai is 25-ji, Nightcord de.'s sekai. Members of 25-ji, Nightcord de. and 25-ji, Nightcord de.'s virtual singers can be found here.
Aku no Taizai Series SEKAI
The Aku no Taizai Series SEKAI is a time-limited SEKAI, available only during the Project SEKAI×Aku no Taizai Series collaboration. Virtual singers found here will appear as the characters found in the Aku no Taizai Series.
