The world of Crystal Saga is made up of 8 main regions.
Zensho Island : Levels 4-11
Twilight Plains : Levels 11-30 (30-69)
The Sky Ridge : Levels 33-40 (37-79) (40-75)
Scarlet Haze Valley : Levels 45-60
The Hanging Isle : Levels 60-65
The Mangrove : Levels 70-74
Heavenly Isle : Levels 80-99
The Necropolis : Levels 100-109
Seven Magic Fields : Levels 110+
Wastelands : Levels 150+