Claim: Kmart has stores in operation in an unincorporated territory of the United States located in the northeast Caribbean Sea called Puerto Rico.
Evidence: It operates stores in 49 states , Puerto Rico , the U.S. Virgin Islands , and Guam -LRB- which houses the world 's largest Kmart -RRB-.
Puerto Rico -LRB- Spanish for `` Rich Port '' -RRB- , officially the Commonwealth of Puerto Rico -LRB- Estado Libre Asociado de Puerto Rico , `` Free Associated State of Puerto Rico '' -RRB- and briefly called Porto Rico , is an unincorporated territory of the United States located in the northeast Caribbean Sea.