Samoa (i/səˈmoʊ.ə/; Samoan: Sāmoa, IPA: [ˌsaːˈmoa]), officially the Independent State of Samoa (Samoan: Malo Sa'oloto Tuto'atasi o Sāmoa), formerly known as Western Samoa, is a country encompassing the western part of the Samoan Islands in the South Pacific Ocean. It became independent from New Zealand in 1962. The two main islands of Samoa are Upolu and one of the biggest islands in Polynesia, Savai'i. The capital city, Apia, and Faleolo International Airport are situated on the island of Upolu.Samoa was admitted to the United Nations on 15 December 1976. The entire island group, inclusive of American Samoa, was called “Navigators Islands” by European explorers before the 20th century because of the Samoans' seafaring skills.