Prince Eric's Castle

Prince Eric's palace is where he lives with Ariel and Melody. A wall was put around it to protect Melody from Morgana and was destroyed after Morgana's defeat. Between the events of the wall being built and the events of the second movie, a dolphin was trapped. The castle may have been inspired by Chillon Castle, Switzerland.

Places of Interest

 * The lagoon that was seen during the "Kiss the Girl" musical number.

Disney Parks
Prince Eric's Castle is a part of several Disney attractions. It is one of the miniatures in both versions of the Storybook Land Canal Boats at Disneyland and Disneyland Paris.

It also appears as a setting for The Little Mermaid: Ariel's Undersea Adventure appearing in the load mural of the California Adventure version and being the setting for the ride's ending. It serves as the facade for the Magic Kingdom's version, with guests entering a series of caverns below at low-tide before arriving at the load area.

Trivia
Eric's Kingdom is most likely Danish as Hans Christian Andersen appeared in the episode Metal Fish of the TV series and was seen writing and talking to children at the docks of the kingdom about his adventures off the cost were he met Ariel.