Official nameRzeczpospolita Polska (Polish Republic)CapitalWarsawPopulation estimate (2015)38·61 millionInternet domain extension.plCurrencyThe unit of currency is the zloty (PLN), which consists of 100 groszy.TerritoryPoland is bounded in the north by the Baltic Sea and Russia, east by Lithuania, Belarus and Ukraine, south by the Czech Republic and Slovakia and west by Germany.LanguageThe official language is Polish.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words