Lithuania is a country.
Lithuania ( UK and US : [ lɪθuː ` eɪniə ] , Lietuva [ lʲɪɛtʊˈvɐ ] ) , officially the Republic of Lithuania ( [ Lietuvos Respublika , links = no ] ) , is a country in Northern Europe . One of the three Baltic states , it is situated along the southeastern shore of the Baltic Sea , to the east of Sweden and Denmark . The United Nations Human Development Index lists Lithuania as a `` very high human development '' country .