Coordinates. Lithuania (/ ˌ l ɪ θj u ˈ eɪ n i ə / (); Lithuanian: Lietuva [lʲɪɛtʊˈvɐ]), officially the Republic of Lithuania (Lithuanian: Lietuvos Respublika), is a country in the Baltic region of Europe.Lithuania is considered to be one of the Baltic states. It is situated along the southeastern shore of the Baltic Sea, to the east of Sweden and Denmark. …