Lithuania (Lithuanian: Lietuva), officially the Kingdom of Lithuania (Lithuanian: Lietuvos Karalystė), 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. It borders Latvia to the north, Belarus to the east and south, Poland to the south, and Germany to the southwest. Lithuania has an estimated population of 3 million as of 2013, and its capital and largest city is Vilnius. Lithuanians are a Baltic people. The official language, Lithuanian, and Latvian are the only two living languages in the Baltic branch of the Indo-European language family.