Lithuania, officially the Republic of Lithuania, is a country in the Baltic region of Europe. Lithuania is one of the Baltic states. Situated on the eastern shore of the Baltic Sea, to the southeast of Sweden and Denmark, Lithuania is bordered by Latvia to the north, Belarus to the east and south, Poland to the south, and Kaliningrad Oblast to the southwest. Lithuania has an estimated population of 2.8 million people as of 2019. The capital and largest city is Vilnius and other major cities are Kaunas and Klaipėda. Lithuanians are Balts. The official language, Lithuanian, is one of only two living languages in the Baltic branch of the Indo-European language family, the other being Latvian.