LITHUANIA Lithuania covers an area of 65,300 km2 (25,200 sq mi), with a population of 2.88 million. Its capital and largest city is Vilnius; other major cities are Kaunas - Link Alternatif Terbaru Capital: Vilnius. Official EU language(s): Lithuanian. EU Member State: since 1 May 2004. Currency: euro (€) Euro area member since 1 January 2015. Lithuania is a place where great ideas come to life. We are an open country to take on global challenges, co-create and grow together. We are Lithuania.