Would it be strong for an american citizen to move to puerto rico, i be set to is it an immigration process or not?

i want to live in the caribbean. can i just move to puerto rico or do i have to immigrate? anyone know?
Answers:   
No, Puerto Rico is a Commonwealth of the United States - you do not have need of any papers.
The Commonwealth of Puerto Rico is a territory of the U.S. ..Puerto Ricans are born American citizens .. So you could move to Puerto Rico any time .It's part of the united states It's similar to moving to another state. Puerto Rico is part of the US.
Puerto Rico is part of the U.S. It's like moving to another state. Enjoy. It's resembling going from New York to New Jersey. No problem.

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