Lithuania, officially the Republic of Lithuania 's a country in Northern Europe, the southernmost of the three Baltic states. Situated along the southeastern shore of the Baltic Sea, it shares borders with Latvia to the north, Belarus to the southeast, Poland, and the Russian exclave of Kaliningrad to the southwest. Lithuania's a member of NATO and of the European Union. Its population's 3.6 million. Its capital and the largest city's Vilnius. This year (2009) Vilnius's European Capital of Cult… (More on Lithuania)