Magic Kingdom

Magic Kingdom is the main park at Disney World. At the center of the park stands it's famous icon, Cinderella's castle.

Magic Kingdom is Divided into 6 different "lands" that each have an individual theme.

Main Street U.S.A.

Adventureland

Frontierland

Liberty Square

Fantasyland

Tomorrowland

Trivia:

Magic Kingdom is actually the name of the park, NOT "The Magic Kingdom", there is no "the" in it's name.