The Independent State of Samoa ( Samoan: Malo Sa 'oloto Tuto 'atasi o Sāmoa, IPA: [ˌsaːˈmoa]), commonly known as Samoa (Samoan: Sāmoa) and formerly known as Western Samoa, is a Unitary Parliamentary Republic with eleven administrative divisions. The two main islands are Savai'i and Upolu with four smaller islands surrounding the landmasses. The capital city is Apia. The Lapita people discovered and settled the Samoan islands around 3,500 years ago. They developed a unique language and cultural identity.