Official nameTürkmenistanCapitalAshgabatPopulation estimate (2015)5·37 millionInternet domain extension.tmCurrencyThe unit of currency is the new manat (TMT), which consists of 100 tenge.TerritoryTurkmenistan is bounded in the north by Kazakhstan, in the north and north-east by Uzbekistan, in the south-east by Afghanistan, in the south-west by Iran and in the west by the Caspian Sea.LanguageThe official language is Turkmen.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words