Official namePule'anga Fakatu'i ‘o Tonga (Kingdom of Tonga)CapitalNuku'alofaPopulation estimate (2015)106,000Internet domain extension.toCurrencyThe unit of currency is the pa'anga (TOP), which consists of 100 seniti.TerritoryThe Kingdom is situated in the South Pacific and consists of some 169 islands and islets. Its western boundary is the eastern boundary of Fiji.LanguagesBoth Tongan and English are recognized as official languages.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words