Puerto Rico (English /ˌpɔːrtə ˈriːkoʊ/ or /ˌpwɛərtə ˈriːkoʊ/;[a] Spanish: [ˈpweɾto ˈriko], locally also [ˈpwelto ˈχiko; ˈʀ̥iko]),[13] officially the Commonwealth of Puerto Rico (Spanish: Estado Libre Asociado de Puerto Rico, lit. "Associated Free State of Puerto Rico"),[b] is an unincorporated United States territory located in the northeastern Caribbean Sea. It is an archipelago that includes the main island of Puerto Rico and a number of smaller islands as Mona, Culebra, and Vieques. The capital and most populous municipality is San Juan. The territory does not observe daylight saving time, and its official languages are Spanish, which is predominant, and English.[14] The island's population is approximately 3.5 million. Puerto Rico's rich history, tropical climate, diverse natural scenery, renowned traditional cuisine, and attractive tax incentives make it a popular destination for visitors from around the world.