Definition: You will be given a passage, and your task is to generate a Yes/No question that is answerable based on the given passage.
Input: Puerto Rico (Spanish for ``Rich Port''), officially the Commonwealth of Puerto Rico (Spanish: Estado Libre Asociado de Puerto Rico, lit. ``Free Associated State of Puerto Rico'') and briefly called Porto Rico, is an unincorporated territory of the United States located in the northeast Caribbean Sea.

is puerto rico part of the united states territory?