Here is a listing of all of the locations found within The Legend of Zelda: Skyward Sword.
Ancient Cistern
Bath
Earth Temple
Eldin Volcano
Faron Woods
Fire Sanctuary
Knight Academy
Lake Floria
Lanayru Desert
Lanayru Mining Facility
Restroom
Sealed Grounds
Sea of Sand
The Sky
Skyloft
Skyview Temple
Statue of the Goddess