Samoa (; , ), officially the Independent State of Samoa , formerly known as Western Samoa, is a sovereign state in Polynesia, 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 Savai'i, one of the biggest islands in Polynesia. The capital city, Apia, and Faleolo International Airport are situated on the island of Upolu.