Kingdom of Corona
During Square Enix's E3 Conference on June 16, 2015, Sora was shown exploring areas of Kingdom of Corona. During the Square Enix Presents segment of E3 2015, Kingdom Hearts III director Tetsuya Nomura revealed that the Kingdom of Corona was one of the first worlds to be considered for Kingdom Hearts III.
Settings and Areas
The E3 2015 trailer for Kingdom Hearts III shows that Sora will be able to battle in the area outside Rapunzel's Tower.
Notes and references