Ocean's Navel

Ocean's Naval (オーシャンズ海軍) is the location of "Adventure in the Ocean's Naval", the first one-hour special of One Piece.

History
It is a huge pit that water flows into, yet the bottom is dry. There is a city here that was ravaged by monsters, until the Straw Hat Pirates arrived. Those that protect the "Secret of Ocean's Naval", which can be granted a single wish.

Several years ago, pirates led by Captain Joke attacked the town, but they were all killed.